The presence of stem cells in leukemia and solid tumors has been demonstrated in recent decades. Cancer stem cells have the potency of tumorigenesis; furthermore, they have the ability of self-renewing and differentiation like other stem cells. They also play important role in the process of tumor invasion and metastasis. Several studies have been performed to discover the spe...

Background The menstrual hygiene education is a process for strengthening skills and empowering women, especially young girls. The aim of this systematic review was to investigate the efficacy of menstrual health education on young girls’ knowledge, attitude and practic...

Background For decades, child labor has been an important global issue associated with inadequate educational opportunities, poverty and gender inequality. In order to make effective policies to reduce child labor it is important to understand the specific factors that ...

Introduction: Nursing students require highly specialized competencies to accurately determine patients' states and to predict and cope with problems that may occur during nursing care. This study explores the definition, domains, and levels of nursing students' competency. Methods: This study was a systematic review of nursing students’ competencies in E...

this systematic review aimed to help better to understand the epidemiology of suicidal behaviors among eastern mediterranean region (emr) countries. the pubmed, emr medex, scopus, psychinfo, isi, and imemr were searched with no language limitation for papers on the epidemiology of suicidal behaviors in the general population, published up to august 2013. a total of 13 articles were reviewed. th...

background and objective : restless legs syndrome (rls) is a sensorimotor disorder that causes sleep deprivation. rls is characterized by discomfort in the legs and severe desire to move them during sleep. different prevalence rates about rls are reported in iran. this systematic review and meta-analysis was performed to estimate the prevalence of rls in iran. materials and methods : by searchi...

non-alcoholic fatty liver disease (nafld) is the leading cause of chronic liver disease in the united states and other industrialized countries, and the reported prevalence in the developing countries is also rather high. this disease is associated with a high rate of morbidity and mortality and damage to the other organs. the cardiovascular system is, perhaps, the most vulnerable organ to nafl...

in this study, we aimed to conduct a meta-analysis on the results of eligible studies to estimate the prevalence of asthma, copd, and chronic bronchitis in iran. international and iranian databases including pubmed, scopus, web of science, iranmedex, and scientific information database (sid) were searched for population–based studies that had reported the prevalence of asthma and copd from 1990...

background: gastroesophageal reflux disease (gerd) is one of the most prevalent disorders affecting gastrointestinal tract with a wide range of frequency around the world. in this study, we aimed to review all of the published studies about gerd’s prevalence in iran systematically. methods: we searched bibliographic databases including pubmed and google scholar and local databases (scientific i...

lichen planus is a chronic inflammatory mucocutaneous disease. mucosal lesions are classified into six clinical forms and there is malignant potential for two forms of olp; therefore, follow-up should be considered. there are many un-established etiological factors for olp and some different treatment modalities are based on etiology. the aims of current olp therapy are to eliminate mucosal ery...