Ulla, M, AAS Majumder, and Z Rahman. “Foreign Body Removal from Left Atrium Following Successful PTMC - A Case Report”. Cardiovascular Journal 3, no. 1 (November 17, 2010): 85–88. Accessed December 21, 2025. https://www.banglajol.info/index.php/CARDIO/article/view/6431.