Authors: E Ribera; J Gómez-Jimenez; E Cortes; O del Valle; A Planes; T Gonzalez-Alujas; B Almirante; I Ocaña; A Pahissa Journal: Ann Intern Med Date: 1996-12-15 Impact factor: 25.391
Authors: W R Wilson; A W Karchmer; A S Dajani; K A Taubert; A Bayer; D Kaye; A L Bisno; P Ferrieri; S T Shulman; D T Durack Journal: JAMA Date: 1995-12-06 Impact factor: 56.272