Bulbul, Rezwanul Haque, Omar Sadeque Khan, Mohammad Samir Azam Sunny, Swadesh Ranjan Sarker, and Mostafa Nuruzzaman. “Tissue Valve Replacement for Severe Calcified Pulmonary Stenosis: First Time in BSMMU”. University Heart Journal 9, no. 1 (July 14, 2014): 54–55. Accessed October 12, 2025. https://banglajol.info/index.php/UHJ/article/view/19514.