NifurtimoxChagas DiseaseTrypanocidal AgentsNitrofuransTrypanosoma cruziNitroimidazolesChagas CardiomyopathyTriatomaTriatominaeXenodiagnosisNitroreductasesInsect ControlBoliviaTrypanosomiasis, AfricanRhodniusInsect VectorsParasitic Sensitivity TestsLatin AmericaAntiprotozoal AgentsEflornithineTrypanosoma brucei bruceiMegacolonDisease VectorsChronic DiseaseArgentina