A. . Akhila, B. . Ghoshal, and N. C. . Mahapatra, “A study on the comparison of minimally invasive surfactant therapy with insure technique of surfactant therapy in preterm babies with respiratory distress in a tertiary care hospital – A prospective cohort study”, Indian J Child Health, vol. 8, no. 10, pp. 362–366, Oct. 2021, doi: 10.32677/ijch.v8i10.3097.