Zulkarnine, MI, BMM Choudhury, MF Islam, and N Ahmed. “Congenital Absence of Pericardium: A Rare Case Associated With Severe Mitral Stenosis With Pulmonary Hypertension”. Cardiovascular Journal 3, no. 2 (December 13, 2011): 222–225. Accessed April 30, 2024. https://www.banglajol.info/index.php/CARDIO/article/view/9193.