Younas M, Beg A. PATENT DUCTUS ARTERIOSUS DEVICE OCCLUSION IN YOUNG CHILDREN LESS THAN 12 KG- IMMEDIATE RESULTS AND COMPLICATIONS. Pak Heart J [Internet]. 2015Mar.18 [cited 2024Nov.23];47(4). Available from: https://pakheartjournal.com/index.php/pk/article/view/823