Fatema, N.N. 2009. Closure of Large Patent Ductus Arteriosus in a Patient with Severe Pulmonary Hypertention by Amplatzer Septal Occluder (ASO) - A Case Report. Journal of Armed Forces Medical College, Bangladesh. 5, 1 (Jul. 2009), 46–48. DOI:https://doi.org/10.3329/jafmc.v5i1.2852.