Wongkhonkaen, Chutinun, Pongsatorn Paopongsawan, Junya Jirapradittha, and Pakaphan Kiatchoosakun. “Outcomes Comparison of Early versus Late Surfactant Replacement Therapy in Neonates with Respiratory Distress Syndrome”. Siriraj Medical Journal 75, no. 5 (May 1, 2023): 330–342. accessed September 22, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/261175.