Nourollahi, S., Hashemi, F., Shafiei, E., & Pirinegad, O. "Comparing the Effectiveness of Curosurf and Beraksurf in the Treatment of Respiratory Distress in Premature Infants", Journal of Pediatric Perspectives, 10, 5, 2022, 15992-15997. doi: 10.22038/ijp.2022.62180.4764