The paper focuses on the robustness of rankings of academic journal quality and research impact of 10 leading econometrics journals taken from the Thomson Reuters ISI Web of Science (ISI) Category of Economics, using citations data from ISI and the highly accessible Research Papers in Economics (RePEc) database that is widely used in economics, finance and related disciplines. The journals are ...

CONTEXT Suicide prevention is a health service priority. Some surveys have assessed suicidal behaviors and potential risk factors. OBJECTIVES The current paper aimed to gather information about etiology of suicide attempts in Iran. DATA SOURCES Pubmed, ISI web of science, PsychInfo, IranPsych, IranMedex, IranDoc as well as gray literature were searched. STUDY SELECTION By electronic and g...

conclusions according to the results of this meta-analysis, there was a high risk of nafld in women with pcos. we suggest evaluating patients with pcos regarding nafld. results we finally included seven eligible studies. according to chi-squared test, there was a significant heterogeneity (73.6%) between studies (p = 0.001). nafld prevalence was significantly higher in patients with pcos compar...

introduction: the purpose of this study was to visualize the scientific structure of multiple sclerosis (ms) during 1999-2008 and to use scientometric indicators for analysis of ms-related scientific publications indexed in web of science database. methods: this survey tried to visualize data as a scientometric method. a total number of 17737 ms-related articles published during 1999-2008 were ...

Reducing nutrition-related health problems in Arab countries requires an understanding of the performance of Arab countries in the field of nutrition and dietetics research. Assessment of research activity from a particular country or region could be achieved through bibliometric analysis. This study was carried out to investigate research activity in "nutrition and dietetics" in Arab countries...

This paper explores a possible approach to a research evaluation, by calculating the renown of authors of scientific papers. The evaluation is based on the citation analysis and its results should be close to a human viewpoint. The PageRank algorithm and its modifications were used for the evaluation of various types of citation networks. Our main research question was whether better evaluation...

the association between β2-adrenergic receptor (adrb2) -16arg/gly polymorphism (rs1042713) and chronic obstructive pulmonary disease (copd) risk has been investigated in many published studies. however, the results were inconclusive. a meta-analysis was performed to make a more precise estimation of the relationship.the pubmed, embase, isi web of science, the cochrane database of systematic rev...