(1)
Takimoto, S.; Carvalho, R. P. de S.; Pereira, H. G.; Pannuti, C. S.; Pereira, M. S.; Salles-Gomes, L. F. de. Serologic Studies on the Behaviour of Influenza Virus Type A in Persons of Greater São Paulo During 1976, 1978 and 1979 . Rev. Inst. Med. Trop. São Paulo 1986, 28 (6), 413-420.