Olatunji , V. A., Y. Owa, G. Okeke, and L. Olokoba. “Pattern of Presentation of Sickle Cell Retinopathy in Ilorin”. Transactions of the Ophthalmological Society of Nigeria, vol. 6, no. 1, Aug. 2021, https://tosn.org.ng/index.php/home/article/view/73.