GIZZI, Júlio César, Carlos A. SIERRA-REYES, and Dalmo A. R. MOREIRA. “Disfunçao Do nódulo Sino-Atrial: Clínica E Terapêutica : Disfunçao Do nódulo Sino-Atrial: Clínica E Terapêutica ”. JOURNAL OF CARDIAC ARRHYTHMIAS 8, no. 3 (October 17, 1995): 254–264. Accessed October 10, 2025. https://www.jca.org.br/jca/article/view/3163.