TY - JOUR T1 - Congenital Aneurysm of the Right Atrium: Two Cases Report JO - Brazilian Journal of Cardiovascular Surgery A1 - Melo, Halyna A1 - Moraes, Fernando A1 - Lapa, Cleusa A1 - Moraes, Carlos R. SN - 0102-7638 UL - 10.21470/1678-9741-2018-0047 VL - 34 Y1 - 2019 PB - Brasil ER -