Authors: Robert B Couch; Patricia Winokur; Rebecca Brady; Robert Belshe; Wilbur H Chen; Thomas R Cate; Bryndis Sigurdardottir; Amy Hoeper; Irene L Graham; Robert Edelman; Fenhua He; Diane Nino; Jose Capellan; Frederick L Ruben Journal: Vaccine Date: 2007-09-14 Impact factor: 3.641
Authors: Laurent Coudeville; Fabrice Bailleux; Benjamin Riche; Françoise Megas; Philippe Andre; René Ecochard Journal: BMC Med Res Methodol Date: 2010-03-08 Impact factor: 4.615