Transcatheter Closure of a Large Muscular Ventricular Septal Defect (VSD) in a Child Weighing Five Kilogram With Severe Pulmonary Arterial Hypertension. J. Armed Forces Med. Coll. 2021, 16 (2), 84-86. https://doi.org/10.3329/jafmc.v16i2.55307.