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.
C. Conde Redondoa,1, D. Alonso Fernándeza, A. Robles Samaniegoa, N. Del Valle Gonzáleza, F. Castroviejo Royoa, C. Delgado Marcosa, A. Rodríguez Tovesa, J.M. Martínez-Sagarra Ocejaa
aServicio de Urología. Hospital Río Hortega. Valladolid