Puspita, Indah, Amiliana Soesanto, Estu Rudiktyo, Rina Ariani, and Ario Kuncoro. “Recent Echocardiography Parameters for Predicting Better Functional Result After Mitral Valve Correction Surgery in Patients With Primary Mitral Regurgitation”. Indonesian Journal of Cardiology 42, no. 1 (December 31, 2020). Accessed April 13, 2021. https://ijconline.id/index.php/ijc/article/view/1060.