Al-Sarraf, Nael, Mohammed Hasan, Noof B. Ahmad, and Ali Alhumaidan. “A Rare Cause of Right Heart Failure in An Adult: Congenital Gerbode Defect”. The Heart Surgery Forum 25, no. 4 (July 14, 2022): E545-E547. Accessed September 14, 2024. https://journal.hsforum.com/index.php/HSF/article/view/4867.