MEDEIROS P de TJ, SANTOS RR. Eletrocardiograma de Marcapasso : Eletrocardiograma de Marcapasso . J. Cardiac Arrhythmias [Internet]. 1994 Oct. 17 [cited 2025 Aug. 21];7(3):130-1. Available from: https://www.jca.org.br/jca/article/view/3187