Mallick B, Nayak SR, Tripathy SK. The study of clinical profile and assess the outcome of preterm infants diagnosed to have clinically significant PDA. Int J Basic Clin Pharmacol [Internet]. 2018 Jul. 23 [cited 2024 Apr. 28];7(8):1593-8. Available from: https://www.ijbcp.com/index.php/ijbcp/article/view/2665