Vasavada, Dhaivat, et al. “Incidence and Risk Factors of Retinopathy of Prematurity in Western India – Report from A Regional Institute of Ophthalmology”. Nepalese Journal of Ophthalmology, vol. 9, no. 2, Feb. 2018, pp. 112-20, doi:10.3126/nepjoph.v9i2.19254.