• Flavio L Heldwein, Antonio A Hartmann, Antonio N Kalil, Bruno V D Neves, Giorigo S B Ratti, Moises C Beber, Rafael M Souza, and Armando J d'Acampora.
• Department of Pathology, Universidade Federal de Ciências da Saúde, Porto Alegre, RS, Brazil. flavio.lobo@gmail.com
• Clinics (Sao Paulo). 2010 May 1;65(5):521-9.

ObjectivesTo identify the most cited articles in general surgery published by Brazilian authors.IntroductionThere are several ways for the international community to recognize the quality of a scientific article. Although controversial, the most widely used and reliable methodology to identify the importance of an article is citation analysis.MethodsA search using the Institute for Scientific Information citation database (Science Citation Index Expanded) was performed to identify highly cited Brazilian papers published in twenty-six highly cited general surgery journals, selected based on their elevated impact factors, from 1970 to 2009. Further analysis was done on the 65 most-cited papers.ResultsWe identified 1,713 Brazilian articles, from which nine papers emerged as classics (more than 100 citations received). For the Brazilian contributions, a total increase of about 21-fold was evident between 1970 and 2009. Although several topics were covered, articles covering trauma, oncology and organ transplantation were the most cited. The majority of classic studies were done with international cooperation.ConclusionsThis study identified the most influential Brazilian articles published in internationally renowned general surgery journals.

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