Begum N, Razzaque A, Rahman M. Echocardiography: An Important Tool for Diagnosis, Guidance of Intervention and Post- Interventional Follow Up of the Congenital and Structural Heart Diseases. Cardiovasc. j. [Internet]. 2012 Jan. 5 [cited 2025 Dec. 22];4(1):67-74. Available from: https://www.banglajol.info/index.php/CARDIO/article/view/9393