Background & Aims: Cancer is a major public health problem in many countries of the world and the third leading cause of death in developing countries. The most frequently diagnosed cancers in females and males are breast and lung cancers respectively. The aim of this study was to investigate the pattern of age distribution and the frequency of different cancers in East Azerbaijan province duri...

during the past 500 years, iran and russia have experienced many ups and downs in their relations which have been accompanied with enmity and amity. these relations varied from cooperation under the safavids to enmity, war and interventions under the qajar dynasty, then to hostile and sometimes friendly relations under the pahlavi rule, and finally to collaborations within the past two decades ...

in order to determine hydrological behavior and water management of sepidroud river (north of iran-guilan) the present study has focused on stream flow prediction by using artificial neural network. ten years observed inflow data (2000-2009) of sepidroud river were selected; then these data have been forecasted by using neural network. finally, predicted results are compared to the observed dat...

Introduction: Intrauterine fetal death after 20 weeks of gestation is a pregnancy-related problem. The rate of stillbirth in each area is an indicator of health status and prenatal care in that specific region. In different countries, the rate of stillbirth has been reported as 4 to 20 per 1000 births. Several factors contribute to the occurance of stillbirth including timely identification and...

The ultimate goals of treating chronic hepatitis B (CHB) is prevention of hepatocellular carcinoma (HCC) and hepatic decompensation. Since the advent of effective antiviral drugs that appeared during the past two decades, considerable advances have been made not only in controlling hepatitis B virus (HBV) infection, but also in preventing and reducing the incidence of liver cirrhosis and HCC. F...

Riparian trees and their annual growth rings can be used to reconstruct drought histories related streamflow. Because the death of individual reduces competition for survivors, however, tree-ring chronologies based only on surviving may underestimate impacts. This problem addressed by calculating productivity at stand scale account tree mortality establishment. In semi-arid Great Basin in weste...