Science Citation Index Expanded, Journal of Citation Reports, Index Medicus/MEDLINE, Scopus, EMBASE/Excerpta Medica, IBECS
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Impact factor
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.
J. López Ferrandis1, J. Rioja Zuazu, A. Saiz Sansi, J.Mª Regojo Balboa, J.M. Fernández Montero, D. Rosell Costa, J.E. Zudaire Bergera, J. María Berián Polo
1Departamento de Urología. Clínica Universitaria de Navarra. Pamplona