OBJECTIVE Zanjani viper (Vipera albicornuta) is an endemic venomous snake in East Azerbai- jan Province, Iran which is medically important due to its application for antivenin production in the laboratory. We need to produce this snake in captivity. This study was conducted to charac- terize mature male Zanjani viper and to evaluate its sperm reproductive parameters. MATERIALS AND METHODS Thi...

BACKGROUND Leukemia is the most common cancer in children, accounting for near to half of all childhood cancers. Different risk factors might be effective in the occurrence of this cancer such as parental characteristics. This study was done in West Azarbaijan Province in order to determine the relation between parental characteristics and acute leukemia in children. METHODS This matched case...

BACKGROUND Psychopathological perfectionism is often correlated with obsessive compulsive eating disorders. OBJECTIVES The purpose of this study was to investigate perfectionism in people with high traits of obsessive compulsive and eating disorder characteristics. MATERIALS AND METHODS This study was an expo fact research. The statistical population of the research comprised of male and fe...

BACKGROUND AND AIMS This study was carried out to investigate the incidence, annual time trend and some epidemiological and clinical features of Guillain-Barre syndrome in children in the north west of Iran. MATERIALS AND METHODS In this population-based cross sectional research, epidemiological and clinical features of 143 cases with Guillain-Barre syndrome between 2001 and 2006 were studied...

BACKGROUND Thyroid cancer is the most common endocrine system malignancy in the world, being the 7th most common cancer in females, 14th in males and 11th in both sexes in the Iranian population. The present study aimed to determine survival of thyroid cancers in Iran based on sex, age group, pathology and geographical location. METHODS The patients selected for this study were 602 out of 5,7...

The compound of essential oil of thyme which was morphologically similar to Thymus pubescens (Lamiaceae) grown at Azarbijan region, was different from pervious reporters. This secondary metabolite extracted from this plant is citronellol which is the main essential oil in the rosa family. These findings showed clear chemical polymorphism with the Th. pubescens taxon that might lead us to new sp...

Pythium is a fungus-like genus with worldwide distribution that is found in most terrestrial and aquatic ecosystems. It is a species-rich genus contains important plant pathogenic species. Little is known on the systematics of Pythium in West Azarbaijan province (N.W. Iran). Thus, the aim of this study was to identify 200 isolates collected from different cultivated soils of West Azarbaijan pro...

This is the first large-scale study to assess climate change impact on grain yield of rainfed wheat for three provinces contrasting climatic conditions (temperate, cold semi-arid, and hot arid) in Iran. Five integrative scenarios including +0.5°C temperature plus−5% precipitation, +1°C plus−10%, +1.5°C plus−15%, +2°C plus−20%, +2.5°C plus−25% were used evaluated. Nitrogen fertilizer shifting pl...