Chest
Special ReportsA Bibliometric Analysis of Global Research Production in Respiratory Medicine
Section snippets
World Division
The methodology that we used has been reported previously.12 For the purpose of our study, the world was divided into nine regions based on a combination of geographic, economic and scientific criteria. The nine regions are Western Europe, the United States, Japan, Canada, Asia, Eastern Europe, Oceania, Latin America and the Caribbean, and Africa. All former socialist countries of Europe and Turkey were included in the category of Eastern Europe. Greenland was designated as Western Europe.
Results
A total of 49,382 articles indexed in PubMed that were in the Respiratory System category of the JCR for the period from 1995 to 2003 were included in our study. We were able to retrieve data for the origin of 48,614 articles (98.5%) and categorized them according to the country of origin based on the methodology described earlier.
In Table 1, we present the total production of articles by world region and the relative contribution of each region to the total number of articles from all 30
Discussion
To our knowledge, this is the first study that evaluated the relative contribution of all world regions in research productivity in the field of respiratory diseases during the period between 1995 and 2003. Although Western Europe published more articles than the United States, it ranked after the United States with regard to the total product of research productivity (number of articles multiplied by their impact factor). Japan, Canada, and Asia had modest research productivity in absolute
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