2017•New England Journal of MedicineOpen access

Variations in Databases Used to Assess Academic Output and Citation Impact

Natalie M. Plana, Jonathan P. Massie, Jonathan M. Bekisz, Stuart Spore, Jesus Rodrigo Diaz-Siso, Roberto L. Flores

Abstract

An analysis of listings of 1469 clinical and research faculty in PubMed, Web of Science, Scopus, and Google Scholar showed major differences in numbers of publications and citations and in the h-index (a measure of productivity and citations) for each author.

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Key concepts: Scopus, Medicine, Citation, Web of science, Impact factor, Bibliometrics, Citation analysis, Citation impact