Zheng, Junnan, Tingting Tao, Yiming Ni, Liang Ma, and Haige Zhao. “Small Cavity of Left Ventricle Does Not Affect Short-Term Outcome in Patients With Rheumatic Mitral Valve Stenosis Undergoing Mitral Valve Replacement”. The Heart Surgery Forum 24, no. 1 (January 15, 2021): E031-E037. Accessed April 25, 2024. https://journal.hsforum.com/index.php/HSF/article/view/3335.