BACKGROUND Corvidae is a cosmopolitan family of oscine birds including crows, rooks, magpies, jays, chough, and ravens. These birds are migratory species, especially in the shortage of foods, so they can act like vectors for a wide range of microorganisms. They live generally in temperate climates and in a very close contact with human residential areas as well as poultry farms. There is no ava...

BACKGROUND The prevalence and etiology of infertility are not similar in different parts of the world. There are only few reports of this topic in Iran. OBJECTIVE This study was conducted to determine the clinical patterns and major causes of infertility in Mazandaran province in north of Iran. MATERIALS AND METHODS The medical records of 3734 consecutive couples attending two infertility c...

BACKGROUND The aim of the study was to determine the incidence of non-bacterial acute gastroenteritis associated with diarrheal diseases in Mazandaran Province, northern Iran. METHODS A total of 400 symptomatic cases from patients with acute gastroenteritis from Mazandaran Province in Iran were screened using EIA method for the presence of rotavirus, adenovirus and astrovirus during 2005-2006...

INTRODUCTION Hemoglobin Q-Iran (α75Asp→His) is an important member of the hemoglobin Q family, molecularly characterized by the replacement of aspartic acid by histidine. The first report of hemoglobin Q-Iran and the nomenclature of this hemoglobinopathy dates back to 1970. Iran is known as a country with a high prevalence of α- and β-thalassemia and different types of hemoglobinopathy. Many of...

BACKGROUND T-2 toxin is a mycotoxin that is produced by the Fusarium fungi. Consumption of food and feed contaminated with T-2 toxin causes diseases in humans and animals. OBJECTIVES In this study T-2 toxin was analyzed in poultry and cattle feedstuff in cities of Mazandaran province (Babol, Sari, Chalus), Northern Iran. MATERIALS AND METHODS In this study, 90 samples were analyzed for T-2 ...

BACKGROUND Recurrent pregnancy loss (RPL) is caused by different factors, including genetics and thrombophilia. Beside Factor V Leiden, another nucleotide change in a factor V (FV) gene (A4070G; His1299Arg) has been identified linking to hereditary thrombophilia. Also, two proposed MTHFR polymorphisms, C677T and A1298C (Glu429A) are linked with RPL. OBJECTIVE In this study, the effect of two ...

There is a direct relation between the prevalence of some parasitic diseases and the presence of those etiologic agents in water. The purpose of this research was to determine the contamination rate of wells drinking water to parasites in Mazandaran province in the north of Iran. 989 water samples were randomly taken based on the population of towns and number of health centers from 12 cities o...

BACKGROUND Smoking is regarded as one of the main risk factors and additive to the global burden of diseases in the World. OBJECTIVES This individual patient data (IPD) meta-analysis aimed to estimate the smoking prevalence in Mazandaran province of Iran. MATERIALS AND METHODS This study was an IPD meta-analysis. The study data were part of the STEPS Study in Mazandaran province (northern I...

We analyze a time series of global temperature anomaly distributions to identify and estimate persistent features in climate change. In our study, temperature densities, obtained from globally distributed data over the period from 1850 to 2012, are regarded as a time series of functional observations that are changing over time. We employ a formal test for the existence of functional unit roots...