BACKGROUND AND OBJECTIVES Systematic reviews organize literature data by combining results from published studies in order to resolve conflicts in the area of medical knowledge describing the interventions. The inadequate reporting of systematic reviews can damage the credibility and interfere in the results' quality. The objective of this study was to determine the frequency of good quality sy...

background: recent studies indicate an increased incidence of pertussis disease in recent years. the aim of this study was to evaluate the efficacy of the acellular vaccine for children (as a replacement of current whole cell vaccine in the expanded program on immunization) and for high-risk adults in iran through updating current best available evidence.   methods: we performed a systematic li...

BACKGROUND Policymakers and stakeholders need immediate access to many types of research evidence to make informed decisions about the full range of questions that may arise regarding health systems. METHODS We examined all types of research evidence about governance, financial and delivery arrangements, and implementation strategies within health systems contained in Health Systems Evidence ...

introduction: this study aimed to evaluate patents as well as high level researches including systematic reviews/meta-analyses and randomized controlled clinical trials (rct) published in scientific journals by iranians endodontic. materials and methods: the study started with targeted searches of pubmed as well as world intellectual property organization and united state patent and trademark o...