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1999
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1999
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Al-Habeeb, Tariq A.

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This article is from Journal of Family & Community Medicine , volume 6 . Abstract Factitious disorders are characterized by physical or psychological manifestations that are intentionally produced or feigned with no apparent external incentives in order to assume the sick role. These disorders are rarely reported or may be under-reported in Saudi patients. We describe here two male and female Saudi cases of such disorders. Both presented predominantly with features of Munchausen's syndrome....

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437074

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1999
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Samir F. Radwan

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The two-dimensional unsteady coupled Burgers' equations with moderate to severe gradients, are solved numerically using higher-order accurate finite difference schemes; namely the fourth-order accurate compact ADI scheme, and the fourth-order accurate Du Fort Frankel scheme. The question of numerical stability and convergence are presented. Comparisons are made between the present schemes in terms of accuracy and computational efficiency for solving problems with severe internal and boundary...

Source: http://arxiv.org/abs/math/9901152v1

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Jones-Monahan, Kellie; Gruenberg, James C.

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Background and Objective:: To analyze patients with chronic acalculous cholecystitis over ten years, during which laparotomy was replaced by laparoscopy as the dominant operation for cholecystectomy in regard to patient demographics, diagnostic evaluations, follow-up symptoms, and additional operations. Methods:: Of 7181 cholecystectomies from June 1985 to June 1995, 301 patients had chronic...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113159

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Berrettini, Wade H.

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Linkage studies have defined at least five bipolar (BP) disorder susceptibility loci that meet suggested guidelines for initial identification and subsequent confirmation. These loci, found on 18p11, 18q22, 21q21, 4p16, and Xq26, are targets for BP candidate gene investigations. Molecular dissection of expressed sequences for these regions is likely to yield specific BP susceptibility alleles in most cases, in all...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181563

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1999
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Maier, Wolfgang

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract The validity of diagnostic definitions in psychiatry is directly related to the extent to which their etiology can be specified. However, since detailed knowledge of causal or susceptibility factors is lacking for most psychiatric disorders with a known or suspected familial-genetic origin, the current widely accepted classification systems largely fail to achieve this ideal. To illustrate this problem, this paper...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181578

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1999
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Stringel, Gustavo; Berezin, Stuart H.; Bostwick, Howard E.; Halata, Michael S.

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Background and Objectives:: The purpose of the present study was to evaluate the results of diagnostic laparoscopy in children with chronic recurrent abdominal pain. Patients and Methods:: Thirteen children with chronic recurrent abdominal pain were subjected to diagnostic laparoscopy. Ages varied from 10 to 17 years. There were six males and seven females. Abdominal pain was present from 3...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113158

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Fahel, Edvaldo; Amaral, Paulo C.G.; Filho, Euler M. Azaro; Ettinger, Joao E.T.M.; Souza, Elias L. Q.; Fortes, Marcos F.; Alcantara, Rogerio S.M.; Regis, Adrian B.; Neto, Manoel P. Galvao; Sousa, Manoela M.; Fogagnoli, Wagner G.; Cunha, Andre G.; Castro, Manoel M.O.; Santana, Pedro A.

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Background and Objectives:: Although videolaparoscopy has been considerated a safe method for many elective procedures, its use in traumatic and non-traumatic acute abdomen needs to be evaluated. The aim of this article is to evaluate the role of videolaparoscopy in non-traumatic acute abdomen as a method of diagnosis and treatment. Methods:: Between January 1992 and December 1996, 462...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113153

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1999
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1999
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Jian-Miin Liu

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Besides two fundamental postulates, (i) the principle of relativity and (ii) the constancy of the one-way speed of light in all inertial frames of reference, the special theory of relativity uses the assumption about the Euclidean structure of gravity-free space and the homogeneity of gravity-free time in the usual inertial coordinate system. Introducing the so-called primed inertial coordinate system, in addition to the usual inertial coordinate system, for each inertial frame of reference, we...

Source: http://arxiv.org/abs/physics/9901001v1

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1999
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1999
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Yoav Segev

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This paper, together with a forthcoming paper by the author and Seitz, proves the Margulis-Platonov conjecture concerning the normal subgroup structure of algebraic groups over number fields, in the case of inner forms of anisotropic groups of type $A_n$.

Source: http://arxiv.org/abs/math/9901151v1

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1999
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Serge Alinhac

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For the quasilinear wave equation \partial_t^2u - \Delta u = u_t u_{tt}, we analyze the long-time behavior of classical solutions with small (not rotationally invariant) data. We give a complete asymptotic expansion of the lifespan and describe the solution close to the blowup point. It turns out that this solution is a ``blowup solution of cusp type,'' according to the terminology of the author.

Source: http://arxiv.org/abs/math/9901146v1

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1999
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1999
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Yaseen, Hakam A.; Al-Najashi, Suleiman S.; Adel, Ashraf A.; Bahnassy, Ahmad A.; Al-Umran, Khalid U.; Al-Faraidy, Abdulatif A.

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This article is from Journal of Family & Community Medicine , volume 6 . Abstract Aim:: To determine the incidence of different complications of the apparently healthy full-term infants of diabetic mothers (IDMs) and whether these complications could be predicted early. Methods:: A prospective study was performed in the Nursery Unit of King Fahd Hospital of the University in Al-Khobar over an 18-month period. Eligible neonates were those full-term IDMs who were asymptomatic at birth, with...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437102

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1999
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1999
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Mangoud, Abdallah M.; Mandil, Ahmed M.; Bahnassy, Ahmed A.; Al-Sebiany, Abdulaziz M.; Kurashi, Nabil Y.

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This article is from Journal of Family & Community Medicine , volume 6 . Abstract Objective:: To audit the care offered to diabetic patients attending the Family and Community Medicine Clinic (FAMCO), King Faisal University, Kingdom of Saudi Arabia (KSA). Design:: A cross-sectional study of medical records of 45 diabetic patients who regularly visited the clinic during a one-year period from June 1997 to May 1998. Subjects:: Patients who presented at the clinic because of...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437105

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1999
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1999
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Krzysztof Burdzy; Wendelin Werner

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We construct a counterexample to the ``hot spots'' conjecture; there exists a bounded connected planar domain (with two holes) such that the second eigenvalue of the Laplacian in that domain with Neumann boundary conditions is simple and such that the corresponding eigenfunction attains its strict maximum at an interior point of that domain.

Source: http://arxiv.org/abs/math/9803030v2

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van Praag, Herman M.

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Nosological classification in psychiatry, as it is currently applied, does not facilitate biological and psychopharmacological research.• Syndromal acuity has disappeared. Consequently, it is impossible to determine: (i) vi/hether a particular drug affects a particular symptom configuration; (ii) what exactly the behavioral correlate of a particular biological disturbance is. The problem of unfocused diagnoses is...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181582

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1999
by
Dorothee Schueth

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We construct continuous families of Riemannian metrics on certain simply connected manifolds with the property that the resulting Riemannian manifolds are pairwise isospectral for the Laplace operator acting on functions. These are the first examples of simply connected Riemannian manifolds without boundary which are isospectral, but not isometric. For example, we construct continuous isospectral families of metrics on the product of spheres S^4\times S^3\times S^3. The metrics considered are...

Source: http://arxiv.org/abs/dg-ga/9711010v3

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Victor V. Batyrev; Elena N. Selivanova

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Let $X$ be a complex toric Fano $n$-fold and ${\cal N}(T)$ the normalizer of a maximal torus $T$ in the group of biholomorphic authomorphisms $Aut(X)$. We call $X$ {\em symmetric} if the trivial character is a single ${\cal N}(T)$-invariant algebraic character of $T$. Using an invariant $\alpha_G(X)$ introduced by Tian, we show that all symmetric toric Fano $n$-folds admit an Einstein-K\"ahler metric. We remark that so far one doesn't know any example of a toric Fano $n$-fold $X$ such that...

Source: http://arxiv.org/abs/math/9901001v1

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Goodwin, Frederick K.; Ghaemi, S. Nassir

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Bipolar disorder's unique combination of three characteristics - clear genetic diathesis, distinctive clinical features, early availability of an effective treatment (lithium) - explains its special place in the history of psychiatry and its contribution to the current explosive growth of neuroscience. This article looks at the state of the art in bipolar disorder from the vantage point of: (i) genetics (possible...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181562

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1999
1999

1999
by
Tipple, M

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This article is from Images in Paediatric Cardiology , volume 1 . Abstract Electrocardiography is a useful tool in the management of paediatric heart disease. Interpretation requires practice due to changing norms which are brought about by the physiological changes that occur in the circulatory system in this age group. This article outlines these normal changes.

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3232475

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1999
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Grech, V; Cassar, J

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This article is from Images in Paediatric Cardiology , volume 1 . Abstract Pictures of congenital heart lesions are very useful for patient and parent understanding of underlying problems, and the actual physical mechanics of treatment/s, both past and proposed. In this article, we have produced scanned pictures by Heartline from their book ‘Heart Children’. We have also added some new graphics that depict heart lesions not originally in this book, and in addition, some postoperative...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3232472

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1999
by
P. Rudra

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Symmetry classification of two-body central potentials in a two-particle Schr\"{o}dinger equation in terms of contact transformations of the equation has been investigated. Explicit calculation has shown that they are of the same four different classes as for the point transformations. Thus in this problem contact transformations are not essentially different from point transformations. We have also obtained the detailed algebraic structures of the corresponding Lie algebras and the...

Source: http://arxiv.org/abs/math-ph/9901023v1

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1999
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1999
by
Bumsig Kim

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We prove the Givental conjecture that the (equivariant) quantum cohomology of flag manifolds G/B are governed by the conservation law of Toda lattices. In addition, we find the quantum differential module structure of the flag manifolds.

Source: http://arxiv.org/abs/alg-geom/9607001v4

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1999
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Reynolds III, Charles F.

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Depression in later life is usually a recurrent illness and often a chronic one, associated with increased health care utilization, amplification of the disability born of concurrent medical illness, decreased quality of life, increased risk for suicide, and cognitive impairment. The good news, however, is that maintenance treatments work and have a demonstrably positive impact on long-term illness course. Treatment...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181567

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1999
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R. Coquereaux; A. O. Garcia; R. Trinchero

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We consider the algebra of N x N matrices as a reduced quantum plane on which a finite-dimensional quantum group H acts. This quantum group is a quotient of U_q(sl(2,C)), q being an N-th root of unity. Most of the time we shall take N=3; in that case \dim(H) = 27. We recall the properties of this action and introduce a differential calculus for this algebra: it is a quotient of the Wess-Zumino complex. The quantum group H also acts on the corresponding differential algebra and we study its...

Source: http://arxiv.org/abs/math-ph/9807012v2

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1999
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D. A. Kosower

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I give a proof, using the unitarity-based method, of the collinear factorization of the leading-color contribution to gauge-theory amplitudes. The proof also provides a concrete formula which can be used to compute the associated splitting amplitudes.

Source: http://arxiv.org/abs/hep-ph/9901201v1

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1999
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Zheng-Xu He

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Let P be a locally finite disk pattern on the complex plane C whose combinatorics are described by the one-skeleton G of a triangulation of the open topological disk and whose dihedral angles are equal to a function \Theta:E\to [0,\pi/2] on the set of edges. Let P^* be a combinatorially equivalent disk pattern on the plane with the same dihedral angle function. We show that P and P^* differ only by a euclidean similarity. In particular, when the dihedral angle function \Theta is identically...

Source: http://arxiv.org/abs/math/9901148v1

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1999
by
A. F. Ho; P. Coleman

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We have developed a fermionic boot-strap method to solve a class of chiral one dimensional fermion model which cannot be tackled by bosonization. Using this scheme, we show that Luttinger liquid behavior in a gas of four interacting chiral Majorana fermions is highly sensitive to the velocity degeneracy. Upon changing the velocity of a one chiral fermion, a sharp bound (or anti-bound) state splits off from the original Luttinger liquid continuum, cutting off the X-ray singularity to form a...

Source: http://arxiv.org/abs/cond-mat/9812441v1

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1999
by
Oslin, David W.; Thomas, R. Ten Have

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Adverse effects of medications that occur at low frequency or low severity are often not detected in the current framework of drug approval and monitoring. Of particular concern are potential behavioral consequences such as depression or cognitive dysfunction that may occur from commonly prescribed medications. This study explores the use of measuring daily affect, both positive and negative, as a method for detecting...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181570

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Peter A. Clarkson; Thomas J. Priestley

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In this paper we study symmetry reductions of a class of nonlinear fourth order partial differential equations \be u_{tt} = \left(\kappa u + \gamma u^2\right)_{xx} + u u_{xxxx} +\mu u_{xxtt}+\alpha u_x u_{xxx} + \beta u_{xx}^2, \ee where $\alpha$, $\beta$, $\gamma$, $\kappa$ and $\mu$ are constants. This equation may be thought of as a fourth order analogue of a generalization of the Camassa-Holm equation, about which there has been considerable recent interest. Further equation (1) is a...

Source: http://arxiv.org/abs/math/9901154v1

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1999
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Schneider, Lon S.

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract This paper updates the 1996 review of treatment approaches published in the Am J Geriatr Psychiatry (1996;4[suppl 1]:S51-S65 [see ref33]) and a chapter in A Guide to Treatments that Work (Nathan PE, Gorman JM, eds), Oxford University Press, New York, 1998 [see ref 54]:. The major focus is on psychophannacoiogy with attention also to the évidence for the efficacy of psychotherapeutic and somatic approaches.

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181573

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1999
by
Zhimin Jiang

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An eigenvalue problem with a reference function and the corresponding hierarchy of nonlinear evolution equations are proposed. The bi-Hamiltonian structure of the hierarchy is established by using the trace identity. The isospectral problem is nonlinearized as to be finite-dimensional completely integrable systems in Liouville sense under Neumann and Bargmann constraints.

Source: http://arxiv.org/abs/nlin/9901201v1

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1999
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A. N. Kvinikhidze; B. Blankleider

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The gauging of equations method, introduced in the preceding paper, is applied to the four-dimensional integral equations describing the strong interactions of three identical relativistic particles. In this way we obtain gauge invariant expressions for all possible electromagnetic transition currents of the identical three-particle system. In the three-nucleon system with no isospin violation, for example, our expressions describe the electromagnetic form factors of ^3H, pd->pd gamma, gamma...

Source: http://arxiv.org/abs/nucl-th/9901002v1

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1999
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1999
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M. Beneke

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A certain pattern of divergence of perturbative expansions in quantum field theories, related to their small and large momentum behaviour, is known as renormalons. We review formal and phenomenological aspects of renormalon divergence. We first summarize what is known about ultraviolet and infrared renormalons from an analysis of Feynman diagrams. Because infrared renormalons probe large distances, they are closely connected with non-perturbative power corrections in asymptotically free...

Source: http://arxiv.org/abs/hep-ph/9807443v2

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1999
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Schulz, Pierre

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Antidepressants are indicated in about 40 different disorders, including mood disorders, anxiety disorders, and other disorders. We propose to call these disorders antidepressani-responsive disorders (ARDs). We describe the clinical and biological criteria that differentiate the antidepressants. Although antidepressants share the same clinical efficacy in most ARDs, the configuration of adverse drug reactions varies...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181566

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1999
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Kazuhiro Yamamoto; Yasushi Suto

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While all the cosmological observations are carried out on a light-cone, the null hypersurface of an observer at z=0, the clustering statistics has been properly defined only on the constant-time hypersurface. We develop a theoretical formulation for a two-point correlation function on the light-cone, and derive a practical approximate expression relevant to the discussion of clustering of high-redshift objects at large separations. As a specific example, we present predictions of the two-point...

Source: http://arxiv.org/abs/astro-ph/9812486v1

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Grunze, Heinz; Schlosser, Sandra; Amann, Benedikt; Walden, Jorg

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Although much progress has been made in successfully treating bipolar disorder, there is increasing awareness of the limitations of traditional treatment regimens such as lithium and neuroleptics. The large family of anticonvulsant drugs, however, appears to be capable of providing new treatment options, not only as medication of second choice in patients refractory to treatment, but often as a treatment standard with...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181564

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1999
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Nezhat, Camran R.; Kalyoncu, Senol; Nezhat, Ceana H.; Johnson, Ehrin; Berlanda, N.; Nezhat, Farr

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Objective:: To determine the safety and efficacy of laparoscopic management of ovarian dermoid cysts based upon our ten years' experience. Methods:: Charts of 81 patients who underwent laparoscopic removal of dermoid cysts since March 1988 at Stanford University Medical Center or the Center for Special Pelvic Surgery in Atlanta were reviewed retrospectively. Results:: Ninety-three dermoid cysts...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113151

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Al-Zahrani, Mohammed A.; Al-Hudaithy, Abdulaziz M.; Ziady, Hany H.

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This article is from Journal of Family & Community Medicine , volume 6 . Abstract Introduction:: Mass media are very important in health education programmes. Health promoters rely on them to play a crucial role in their campaign. Aim:: The aim of the study was to study the patterns of contribution of the Saudi daily newspapers on two international health occasion during the year 1416H (World AIDS Day 1995 and World Health Day 1996). Material and Methods:: The study was retrospective,...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437106

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Nandor Simányi; Domokos Szász

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We consider the system of N (\ge 2) elastically colliding hard balls with masses m_1,..., m_N, radius r, moving uniformly in the flat torus T_L^{\nu}= R^\nu/L \cdot Z^\nu, \nu \ge 2. It is proved here that the relevant Lyapunov exponents of the flow do not vanish for almost every (N+1)-tuple (m_1,...,m_N;L) of the outer geometric parameters.

Source: http://arxiv.org/abs/math/9704229v2

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Pasquale Blasi; Scott Burles; Angela V. Olinto

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We study the effect of inhomogeneities in the matter distribution of the universe on the Faraday rotation of light from distant QSOs and derive new limits on the cosmological magnetic field. The matter distribution in the Universe is far from being homogeneous and, for the redshifts of interest to rotation measures (RM), it is well described by the observed Ly-$\alpha$ forest. We use a log-normal distribution to model the Ly-$\alpha$ forest and assume that a cosmological magnetic field is...

Source: http://arxiv.org/abs/astro-ph/9812487v1

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Shalhav, Arieh L.; Chan, Steve W.H.; Bercowsky, Eduardo; Elbahnassy, Abdelhamid M.; McDougall, Elspeth M.; Clayman, Ralph V.

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Background and Objectives:: The isolated finding of a retroperitoneal mass (RM) often represents a diagnostic challenge. Image-guided biopsy is frequently inadequate for diagnosis. With increasing experience, the use of laparoscopy for exploration of an indeterminate RM may provide a minimally invasive alternative to open exploration. Herein, we present a retrospective review of our initial...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113157

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1999
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Winter, Marc L.; Mendelsohn, Susan A.

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This article is from JSLS : Journal of the Society of Laparoendoscopic Surgeons , volume 3 . Abstract Total laparoscopic hysterectomy (TLH) is the complete hysterectomy including transection of the uterine vessels and opening/closure of the vaginal vault performed laparoscopically. This procedure can be performed as an alternative to total abdominal hysterectomy in many cases. We previously found use of the harmonic scalpel to be extremely helpful in performing laparoscopically assisted vaginal...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113152

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1999
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W. C. Haxton

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I review a number of the open questions about neutrino properties, critique recent hints of neutrino mass, and discuss one recently proposed neutrino mass matrix to illustrate the direction in which we may be headed. I also present one example of the implications of these new developments for astrophysics.

Source: http://arxiv.org/abs/nucl-th/9812073v2

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1999
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M. Hug; G. J. Milburn

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We simulate the center of mass motion of cold atoms in a standing, amplitude modulated, laser field as an example of a system that has a classical mixed phase-space. We show a simple model to explain the momentum distribution of the atoms taken after any distinct number of modulation cycles. The peaks corresponding to a classical resonance move towards smaller velocities in comparison to the velocities of the classical resonances. We explain this by showing that, for a wave packet on the...

Source: http://arxiv.org/abs/quant-ph/9901001v1

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1999
by
Seán Keel

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A necessary and sufficient condition is given for semi-ampleness of a numerically effective (nef) and big line bundle in positive characteristic. One application is to the geometry of the universal stable curve over M_g, specifically, the semi-ampleness of the relative dualizing sheaf, in positive characteristic. An example is given which shows this and the semi-ampleness criterion fail in characteristic zero. A second application is to Mori's program for minimal models of 3-folds in positive...

Source: http://arxiv.org/abs/math/9901149v1

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1999
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Smolik, Petr

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract The term “nosological classification” is often used in connection with medical classification systems, and the tendency is to equate it with “diagnosis” and “validity.” However, particularly in the case of psychiatry this is far from always being the case. From a scientific point of view, the two most up-to-date classification systems in use today - the Diagnostic and Statistical Manual of Mental...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181576

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1999
1999

1999
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Al-Naami, Mohammed Y.

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This article is from Journal of Family & Community Medicine , volume 6 . Abstract A 55-year-old male presented with painful lobulated mass on the left lateral lower chest and upper abdomen. Evaluation revealed the mass as a subcutaneous abscess originating from and communicating with a splenic abscess. The patient was treated by incision and drainage of the subcutaneous abscess along with splenectomy, and antituberculous therapy. Histopathological examination of the spleen confirmed the...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437073

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1999
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1999
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Ernst Heintze; Xiaobo Liu

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A subset S of a Riemannian manifold N is called extrinsically homogeneous if S is an orbit of a subgroup of the isometry group of N. Thorbergsson proved the remarkable result that every complete, connected, full, irreducible isoparametric submanifold of a finite dimensional Euclidean space of rank at least 3 is extrinsically homogeneous. This result, combined with results of Palais-Terng and Dadok, finally classified irreducible isoparametric submanifolds of a finite dimensional Euclidean space...

Source: http://arxiv.org/abs/math/9901150v1

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V. A. Trotsenko

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A number of important results of studying large deformations of hyper-elastic shells are obtained using discrete methods of mathematical physics. In the present paper, using the variational method for solving nonlinear boundary problems of statics of hyper-elastic membranes under the regular hydrostatic load, we investigate peculiarities of deformation of a circular membrane whose mechanical characteristics are described by the Bidermann-type elastic potential. We develop an algorithm for...

Source: http://arxiv.org/abs/math/9901153v1

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Barry, D. Lebowitz

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This article is from Dialogues in Clinical Neuroscience , volume 1 . Abstract Despite its prevalence and seriousness, depression in late life remains underappreciated as a source of disability and suffering for older people and their families. Despite a solid and substantial body of research, recognition of depression remains problematic and is often attributed to normal developmental changes in aging. Treatment efficacy data notwithstanding, the adequacy and appropriateness of treatment is...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181572

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1999
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Rodolfo Martini; Peter K. H. Gragert

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We present a complete proof that solutions of the WDVV equations in Seiberg-Witten theory may be constructed from root systems. A generalization to weight systems is proposed.

Source: http://arxiv.org/abs/hep-th/9901166v1