background and aims: the world health organization and united nations children’s fund (unicef) recommended executive breastfeeding for 6 months after birth. the purpose of this study was to determine the prevalence of executive breastfeeding in iran by a meta-analysis study to be used by policy-makers in order to health programmer plan in this field. methods: in this meta-analysis study, the da...

information technology has been considered the greatest innovation of the new era because it has a lot of fruitful social economic and scientific impacts. e-marketing joins creative and technical aspects of the internet, including: design, development, advertising and sales. this research aims to design an e-marketing framework by using meta-synthesis method. in order to design and explain a co...

a new series of n-(5-mercapto-1,3,4-thiadiazol-2-yl)-2-phenylacetamide derivatives (3a-3j) were synthesized via an amidation reaction using edc and hobt in acetonitrile solvent at room temperature condition. chemical structures were characterized by 1h nmr, ir and ms spectroscopic methods and related melting points were also determined. the anticancer activity was evaluated using mtt procedure ...

background & aim : worldwide prevalence of infertility has been reported to be 3-7% of all couples. there are varieties among the results of studies conducted on the prevalence of infertility in iran. the present study aimed to evaluate the trend of infertility using meta-analysis method in iran. methods & materials : we systematically reviewed all published papers in medline database of the na...

conclusions the findings of the meta-epidemiological study support that ebv infection may increase the risk of breast cancer. nested case-control studies are required in the future. results a total of 20 case-control studies were selected, and the total numbers of subjects in the case and control groups were 1947 and 1010, respectively. the findings of this meta-analysis revealed that ebv infec...

Background: Current findings suggest that iron deficiency anemia (IDA) may be a predisposing factor for febrile seizure (FS), while some studies show the lower prevalence of IDA in the children with FS.The present systematic review and meta-analysis aimed to elucidate the association between IDA and FS. Methods: A comprehensive search was performed using MeSH keywords in databases such as PubM...