Authors: W R Dowdle; W Ferrera; L F De Salles Gomes; D King; M Kourany; J Madalengoitia; E Pearson; W H Swanston; H C Tosi; A M Vilches Journal: Bull World Health Organ Date: 1970 Impact factor: 9.408
Authors: W E Rawls; J L Melnick; C M Bradstreet; M Bailey; A A Ferris; N I Lehmann; F P Nagler; J Furesz; R Kono; M Ohtawara; P Halonen; J Stewart; J M Ryan; J Strauss; J Zdrazilek; J Leerhoy; H Von Magnus; R Sohier; W Ferreira Journal: Bull World Health Organ Date: 1967 Impact factor: 9.408