A total of 495 articles were found, of which 372 75.1% were from the Institute for Scientific Information ISI database, 62 from Web Of Knowledge, 12.3%, from Medline, 31 6.3%, and 16 from EMBASE 3.2%, from CINAHL, 12 2.4%, from AGRICOLA and 3 0.6% from LILACS.
Se recuperaron 495 artículos de los cuales 372 75,1% se extrajeron de la base de datos del Institute for Scientific Information ISI, Web Of Knowledge, 61 12,3%, de Medline, 31 6,3%, de EMBASE, 16 3,2%, de CINAHL, 12 2,4%, de AGRICOLA y 3 0,6% de LILACS.