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Device Closure of Perimembranous Ventricular Septal Defect Under Deep Sedation and Transthoracic Echo Guide: A Case Report. Cardiovasc. j. [Internet]. 2010 Nov. 17 [cited 2026 Jun. 25];3(1):89-91. Available from: https://banglajol.info/index.php/CARDIO/article/view/6432