Baske S, Saha S, Pal PP. Comparison between two natural surfactant poractant alfa and bovine lipid extract in respiratory distress syndrome amongst preterm neonates-a quasi-experimental study. Int J Contemp Pediatr [Internet]. 2021 Dec. 24 [cited 2026 May 9];9(1):27-31. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/4662