R. K. Thirupathi, T. R. Rani, P. Pandala, K. Rakesh, K. C. Konda, and H. Singh, “Effect of early nasal continuous positive airway pressure in preterm neonates with mild-to-moderate hyaline membrane disease in a rural area – An analytic prospective observational study”, Indian J Child Health, vol. 7, no. 8, pp. 328–331, Aug. 2020, doi: 10.32677/IJCH.2020.v07.i08.002.