Mumpuni, Hasanah, and Amiliana M Soesanto. “Ekokardiografi Transtorakal Pada Deteksi Awal Gangguan Fungsi Katup Mitral Prostetik”. Indonesian Journal of Cardiology 34, no. 4 (April 1, 2015): 289–91. Accessed October 9, 2026. https://ijconline.id/index.php/ijc/article/view/388.