Parikh, Y.N., Patel, P.M. and Hapani, P.T. 2018. Study of retinopathy of prematurity in high risk infants. International Journal of Contemporary Pediatrics. 5, 6 (Oct. 2018), 2304–2308. DOI:https://doi.org/10.18203/2349-3291.ijcp20184301.