Authors: J L Melnick; G Berencsi; S Biberi-Moroeanu; A A Combiescu; J Furesz; M Kantoch; J Kostrzewski; D I Magrath; F T Perkins; V Vonka; W C Cockburn; I Dömök; F A Assaad Journal: Bull World Health Organ Date: 1972 Impact factor: 9.408
Authors: T Mertens; W Schürmann; J Kruppenbacher; K Rheingans; K Kellermann; G Maass; H J Eggers Journal: Med Microbiol Immunol Date: 1983 Impact factor: 3.402