background: streptococcus pneumoniae is a major cause of childhood morbidity and mortality worldwide . several studies have explored the nasopharyngeal carriage of s. pneumonia in iran. this meta-analysis is aimed at exploring the overall prevalence of nasopharyngeal carriage of s. pneumoniae among healthy children and its resistance to antibiotics. method : we have systematically reviewed publ...

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: carpal tunnel syndrome is the most common neuropathy in the general population. nerve conduction studies are among the standard methods for diagnosing carpal tunnel syndrome. electromyography is painful and unpleasant, and if nerve conduction studies can be used to diagnose axonal injury in carpal tunnel syndrome, electromyography might be replaced. objectives: this study aimed to e...

In a previous report on the gender distribution of authors articles published in leading pediatric journals, researchers found disparities proportion written by women relative to men, with some closing gap from 2001 2016.1 2016, 63% pediatricians were women; 58% publications had female first author, but only 38% senior author.1,2 Additionally, reports have that are associated author position an...

Studies of the various kinds of immunoglobulin (Ig) allotype and isotype suppressions induced by perinatal exposure to anti-Ig antibodies have yielded many valuable insights into the normal processes that control B cell differentiation and expression. For example, the demonstration that exposure to antibodies to an IgG isotype specifically suppresses production of that isotype, whereas the expo...

many factors including genetic, environmental, and acquired are involved in breast cancer development across various societies. among all of these factors in families with a history of breast cancer throughout several generations, genetics, like predisposing genes to develop this disease, should be considered more. early detection of mutation carriers in these genes, in turn, can play an import...