background :â  obesity is a tremendous, increasing health problem worldwide. there are multiple endoscopic treatments for obesity. this study is a systematic review of researches on these methods and an evaluation of their safety and efficacy. materials and methods : we conducted a medline electronic research to review relevant english articles and abstracts published in the previous ten years(...

background: the goals of the present work were to retrieve the scientific articles published on addiction to the internet, video games, and cell phones and to analyze the pattern of publications in this area (who is doing the research, when and where it is taking place, and in which journals it is being  published), to determine the research being conducted as well as to document geographical t...

conclusions overall, the results derived from these studies indicated that hospital safety levels in most of the surveyed hospitals were moderate. although the situation in hospitals is not critical, there is a need to plan and take appropriate measures to improve the safety level of the hospitals. results hospital preparedness in disaster was evaluated in three dimensions: structural, non-stru...

BACKGROUND Quotations in Brazilian journals are mainly obtained from national articles (articles from Brazilian journals); thus, it is essential to determine how frequently these articles reference Brazilian journals. OBJECTIVE This study sought to verify how frequently national papers are cited in the references of three Brazilian physical therapy journals. METHOD All references for articl...

introduction: determining the overlap rates is a quantitative method to compare database contents. in this survey, traditional overlap, relative overlap and synthetic degrees of freedom between pubmed as a free database and scopus as a subscription-based one in the cardiovascular disease field have been determined. methods: this descriptive applied research was done during january to june 2009....

using bibliographic records from the social science citation index, science citation index, and arts & humanities index, this paper tries to give a complete view of the characteristics of top ten iranian authors during 1990-2007 according to their authorship pattern. findings revealed that during 1990-2007 a total of 2650 articles were written by top ten iranian authors. findings showed that m....

introduction: retreatment of endodontically treated teeth is a challenge that requires complete removal of the previous filling material. several techniques are indicated for this procedure. the present review tries to identify the most efficient method for extirpation of resilon (rs) root fillings and to compare the speed and efficacy of rs and gutta-percha (gp) root filling removal. methods a...