[Study of experimental Chagas' disease in the frog.  I.  Contributing factors in natural immunity].
D000818:Animals; D001001:Anura; D002025:Bufonidae; D014355:Chagas Disease / Q000276:immunology*; D006801:Humans; D007113:Immunity, Innate; D014352:Trypanosomiasis; D014481:United States
FROGS AND TOADS; TRYPANOSOMIASIS, SOUTH AMERICAN/immunology
Estudio de la enfermedad de Chagas experimental del batracio.  I.  Factores que intervienen en la inmunidad natural.