Rajnish Chandra Mishra, and Birendra Kumar. “A Comparative Study of Non Surfactant Therapy Versus Surfactant Theraphy Among Preterm With Respiratory Distress Syndrome : A Prospective Study”. International Journal of Health and Clinical Research 4, no. 13 (July 31, 2021): 301–304. Accessed February 25, 2026. https://www.ijhcr.com/index.php/ijhcr/article/view/2149.