COX, Elson. “Programaçao Noturna Em Marcapasso DDDR: Programaçao Noturna Em Marcapasso DDDR”. JOURNAL OF CARDIAC ARRHYTHMIAS 12, no. 3 (October 17, 1999): 159–162. Accessed October 10, 2025. https://www.jca.org.br/jca/article/view/3024.