N. Yaqoob, S. Mansoor, K. Aftab, B. Kaleem, A. Hamid, and S. Jamal, “High risk histopathological factors in retinoblastoma in upfront enucleated eyes: An experience from a tertiary care centre of Pakistan”, Pak J Med Sci, vol. 38, no. ICON-2022, Dec. 2021.