Sharma, Satyavan, and Satishkumar Suresh Kolekar. “Role of Echocardiographic Imaging in Percutaneous Balloon Mitral Valvotomy”. Cardiovascular Journal 7, no. 2 (February 16, 2015): 128–136. Accessed November 24, 2024. https://banglajol.info/index.php/CARDIO/article/view/22261.