Shrestha, J. B., R. Yadav, J. K. Shrestha, L. Shrestha, and R. P. Sah. “Risk Factors Associated With Retinopathy of Prematurity Among Neonates in a Tertiary Care Hospital in Nepal”. Journal of Kathmandu Medical College, vol. 5, no. 1, Sept. 2017, pp. 28-33, https://jkmc.com.np/ojs3/index.php/journal/article/view/591.