Parihar, Kamal, Pradeep Kumar Gupta, Vandana Singh, and Sanjay Sharma. 2022. “Retinopathy of Prematurity: Incidence, Risk Factors & Outcome in North Indian Rural and Semi-Urban Population”. Journal of Nepal Paediatric Society 42 (1):119-23. https://doi.org/10.3126/jnps.v42i1.39034.