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Authors: Daniel A Salmon; Jason W Sapsin; Stephen Teret; Richard F Jacobs; Joseph W Thompson; Kevin Ryan; Neal A Halsey Journal: Am J Public Health Date: 2005-05 Impact factor: 9.308
Authors: L Sung; H Heurter; K M Zokvic; E L Ford-Jones; S S Weitzman; R Freeman; L L Dupuis; D W Scheifele Journal: Paediatr Child Health Date: 2001-07 Impact factor: 2.253
Authors: Vincenzo Restivo; Giuseppe Napoli; Maria Grazia Laura Marsala; Valentina Bonanno; Valentina Sciuto; Emanuele Amodio; Giuseppe Calamusa; Francesco Vitale; Alberto Firenze Journal: Hum Vaccin Immunother Date: 2014-11-01 Impact factor: 3.452
Authors: Eva Borràs; Angela Domínguez; Miriam Fuentes; Joan Batalla; Neus Cardeñosa; Antoni Plasencia Journal: BMC Public Health Date: 2009-05-27 Impact factor: 3.295