Gupta, Ashok K, Neerul Pandita, Surbhi Gupta, and Ashok K Sharma. “Determinants of Retinopathy of Prematurity: A Prospective Observational Study from Tertiary Care Teaching Hospital from North India”. Indian Journal of Child Health 1, no. 3 (October 29, 2014): 109–113. Accessed December 5, 2025. https://mansapublishers.com/ijch/article/view/630.