R., M., A. H. Rao, V. P. Hegade, P. Kumar, and R. B. Patil. “A Study of the Incidence of Retinopathy of Prematurity in a Tertiary Care Centre in Karnataka”. International Journal of Contemporary Pediatrics, vol. 8, no. 6, May 2021, pp. 1033-7, doi:10.18203/2349-3291.ijcp20212043.