title: [Functional study of the sick-sinus syndrome in patients with chronic Chagasic cardiopathy].
mesh_terms: D000368:Aged; D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D001285:Atropine / Q000494:pharmacology; D014355:Chagas Disease / Q000503:physiopathology*; D002908:Chronic Disease; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013268:Stimulation, Chemical
chemical_list: D001285:Atropine
vernacular_title: Estudio funcional de la enfermedad del nodulo sinusal en la cardiopatía chagásica crónica