Palmero, H A Prevalence of slow heart rates in chronic Chagas' disease. [electronic resource] - The American journal of tropical medicine and hygiene Nov 1981 - 1179-82 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0002-9637 Standard No.: 10.4269/ajtmh.1981.30.1179 doi Subjects--Topical Terms: AdultAge FactorsAgedBradycardia--etiologyChagas Disease--complicationsChronic DiseaseHeart Failure--etiologyHeart RateHumansMiddle Aged