Rachamadugu, U. D., S. Devana, and S. Sandanala. “Retinopathy of Prematurity: Study of Incidence, Risk Factors and Outcome in Level 3 Neonatal Intensive Care Unit in a Tertiary Care Centre”. International Journal of Contemporary Pediatrics, vol. 7, no. 1, Dec. 2019, pp. 90-93, doi:10.18203/2349-3291.ijcp20195732.