Al-Sarraf, N., M. . Hasan, N. B. . Ahmad, and A. . Alhumaidan. “A Rare Cause of Right Heart Failure in An Adult: Congenital Gerbode Defect”. The Heart Surgery Forum, vol. 25, no. 4, July 2022, pp. E545-E547, doi:10.1532/hsf.4867.