MEDEIROS, Paulo de Tarso Jorge. “Eletrocardiograma De Marcapasso: Eletrocardiograma De Marcapasso”. JOURNAL OF CARDIAC ARRHYTHMIAS 6, no. 3 (October 17, 1993): 168–168. Accessed August 21, 2025. https://www.jca.org.br/jca/article/view/3220.