Dong, X. (2021) “Safety and Efficacy of Animal Derived Surfactants in Treating Preterm Infants with Respiratory Distress Syndrome: A Retrospective Cohort Study”, Archives of Clinical and Medical Case Reports, 5(3), pp. 455–465. Available at: https://fortunejournals.org/ojs/index.php/acmcr/article/view/22498 (Accessed: 15 June 2026).