[1] The linear correlation between modern sediment yields and mean drainage-basin elevation suggests that mountainbelt topography is denuded exponentially with a time scale of approximately 50 Myr following the cessation of active uplift. Some Paleozoic orogens, however, still exist as highelevation terrain. Here I explore this paradox within the broader question of what variables control the d...

Department of Nursing, School of Nursing and Midwifery, Sabzevar University of Medical Sciences, Sabzevar, IR Iran Department of Nursing, Mashhad University of Medical Sciences, Mashhad, IR Iran Department of English Language, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, IR Iran Corresponding author: Nematullah Shomoossi, Department of English Language, School of Medic...

A descent family of Dai–Liao conjugate gradient methods Saman Babaie-Kafaki & Reza Ghanbari a Department of Mathematics, Faculty of Mathematics, Statistics and Computer Sciences, Semnan University, P.O. Box 35195-363, Semnan, Iran b School of Mathematics, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5746, Tehran, Iran c Faculty of Mathematical Sciences, Ferdowsi Universi...

*Corresponding author: Saeed Ebrahimi. Department of Pediatrics, Ghaem Hospital, Mashhad University of Medical Science, Mashhad, Iran. E-mail: [email protected] Tel: 09151670034 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons. org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any...

*Corresponding author: Leila Bigdelu. Department of Cardiology, Ghaem hospital, School of Medicine, Mashhad University of Medical Science, Mashhad, Iran. E-mail: [email protected] Tel: 985138012739 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons. org/licenses/by/3.0), which permits unrestricted use, distribution, a...

*Corresponding author: Soheila Barabadian. Psychiatry and Behavioral Sciences Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran E-mail: [email protected] Tel: 05138760063 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons. org/licenses/by/3.0), which permits unrestricted ...

BACKGROUND Hepatitis C is a disease with significant global impact. The distribution of hepatitis C virus (HCV) genotypes in Mashhad (the Northeast and the biggest city after the capital of Iran) is unknown. The purpose of this study was to determine the prevalence of HCV genotypes among HCV seropositive patients, and to study the relationship between types, virologic and demographic features o...

INTRODUCTION Human T-cell lymphotropic virus (HTLV-I) is associated with adult T cell leukemia/lymphoma (ATL) and HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The major routes of HTLV-I transmission are mother-to-child, sexual contact, and blood transfusion. Mashhad is one of the main endemic areas in the world for HTLV-I, and minimizing the risk of HTLV-I transmission t...

BACKGROUND Dental unit waterline system is considered potential source for contamination with Legionella species. The aim of this study was to determine if contamination of a dental unit water line system by Legionella pneumophila serogroup1 in the Mashhad School of Dentistry occurred in 2009. METHODS A total of 52 dental units were selected from all clinical departments of the Mashhad School...