Tjubandi, Amin, Tri Wisesa Soetisna, Amiliana Mardiani Soesanto, Renan Sukmawan, Supomo Supomo, Budhi Setianto, Woro Ayu Sekararum, and Muchtaruddin Mansyur. “Island Flap Rotation Technique As a Novel Repair Surgery Method for Severe Degenerative Mitral Valve Regurgitation”. The Heart Surgery Forum 27, no. 7 (July 8, 2024): E744-E749. Accessed August 13, 2024. https://journal.hsforum.com/index.php/HSF/article/view/7471.