Oliveira, Lucas Hollanda, Christian Moreno Luize, Ricardo Sobral de Carvalho, Marcel Fernando Silva Carvalho, Danusa Moreira Lago, Cristiano de Oliveira Dietrich, and Claudio Cirenza. 2021. “Persistence of Left Superior Vena Cava in Nonagenarian Undergoing Pacemaker Implant: Case Report”. JOURNAL OF CARDIAC ARRHYTHMIAS 34 (2):63-68. https://jca.org.br/jca/article/view/3453.