background: early childhood caries (ecc) is one of the most common chronic child-hood diseases. in spite of the global decrease in dental caries in the past decades, ecc has become a significant problem in many developing countries and also in a few indus-trialized nations. saliva as a host factor can play an important role in the process of den-tal caries. objective: the aim of this study was ...

Introduction: Although the hepatitis E virus mostly causes a self-limited disease in general population, but the disease is more severe in pregnant women. Hepatitis E accounts for about 10% of pregnancy associated deaths in southern Asia. But the prevalence in Iran is almost unclear, so this study is aimed to investigate the seroprevalence of anti-HEV IgG among a population of pregnant women in...