[Reasons for reorientation of investigations on Chagas' disease in the State of Rio Grande do Sul].
D001118:Argentina; D001938:Brazil; D014355:Chagas Disease / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans
Razões para nova orientação nas pesquisas sõbre doença de Chagas no Estado do Rio Grande do Sul.