Manço, J M [Respiratory response to methacholine in the chronic form of Chagas disease. Preliminary results and spirographic study]. [electronic resource] - Arquivos brasileiros de cardiologia Aug 1967 - 175-8 p. digital Publication Type: Journal Article ISSN: 0066-782X Subjects--Topical Terms: AdultChagas Disease--drug therapyChronic DiseaseHumansMethacholine Compounds--pharmacologyMiddle AgedRespiratory Function Tests