Objectives: Our research seeks to examine the correlation between the presence of physical medicine and rehabilitation journals in social networks and the SJR impact factor. Methods: We carried out a correlation study. For the research, we took into account all physical medicine and rehabilitation journals included in the SCImago Journal Rank. The number of followers on Twitter, Facebook, YouT...

The SCImago Institutions Rankings (SIR) World Reports publish annually an international ranking of more than 2000 research institutions and organizations. The reports list indicator values based on publication and citation data from Scopus (Elsevier) for research-devoted institutions with at least 100 papers published within one year. The second edition published in 2010 included for each insti...

Impact factors (and similar measures such as the Scimago Journal Rankings) suffer from two problems: (i) citation behavior varies among fields of science and therefore leads to systematic differences, and (ii) there are no statistics to inform us whether differences are significant. The recently introduced SNIP indicator of Scopus tries to remedy the first of these two problems, but a number of...

Bibliometrics, scientific research, scientific publications and techniques citation databases The significant advances in the scientific production in the health sciences area in recent years have been accompanied by the indexing of several journals published in Brazil in the main international databases and a significant increase in the number of Brazilian publications in the cardiology and ca...

How similar are the publishing patterns of among Brazil, Russia, India and China (BRIC countries) in comparison with other countries? This is a question that we addressed by using networks as a tool to analyze the structure of similarities and disparities between countries. We analyzed the number of publications from 2006 to 2015 that are reported by SCImago Journal and Country Rank. With this ...