Chieffi, P. P.; Del Guercio, V. M. F.; Ueda, M.; Mello, L. B. de. Public Health Importance of Rattus Norvegicus As Paratenic Host to Toxocara Canis (Ascaroidea, Nematoda) in São Paulo County, SP, Brazil. Rev Inst Adolfo Lutz 1981, 41, 89-91.