Authors: K Sato; Y Inaba; E Takahashi; Y Ito; H Kurogi; H Akashi; K Satoda; T Omori; M Matumoto Journal: Microbiol Immunol Date: 1978 Impact factor: 1.955
Authors: D H Dimitrov; D Y Graham; J Lopez; G Muchinik; G Velasco; W A Stenback; M K Estes Journal: Bull World Health Organ Date: 1984 Impact factor: 9.408