background: we are living in an era in which different branches of science are growing very rapidly. therefore, retrieving and summarizing all new valid findings on a specific subject is one of the most important priorities of scientists. the aim of the present article is to categorize different review studies within the health domain based on their approach to retrieving and summarizing origin...

helicobacter pylori infection is a common health problem related to many gastrointestinal disorders. this study aims to estimate the total and age specific prevalence of helicobacter pylori infection in iran. we systematically reviewed all national and international databases and finally identified 21 studies were eligible for meta-analysis. each of them were assigned a quality score using stro...

background: the aim of the study was assessment of defaults and conducted meta-analysis of the efficacy of single-dose oral albendazole against t. trichiura infection. methods: we searched pubmed, isi web of science, science direct, the cochrane central register of controlled trials, and who library databases between 1983 and 2014. data from 13 clinical trial ar­ticles were used. each article w...

conclusions the results of the study showed a high prevalence of domestic violence in iran, which requires the adoption of appropriate measures and the initiation of effective interventions by the legal authorities. these measures and interventions should aim to determine the causes of domestic violence and to develop ways of controlling and reducing this destructive phenomenon. results based o...

background: dental traumas are common among children and adolescents in many societies posing health and social problems. the aim of this study was to conduct a systematic review and meta-analysis on prevalence, etiology, types, and other epidemiologic aspects of dental trauma in children and adolescents (0-18 years old). methods: in this systematic meta-analytical review, data were collected s...