Echieh , Chigozie I, Chidiebere P Echieh, Eze Ugochukwu, Oyeniyi Taiwo, Monye Ifechukwu, Miriam-Benigna C Amobi, and Shahir Bello. “An Assessment of Knowledge and Practice of Goldmann Applanation Tonometer Calibration Error Checks Among Ophthalmology Residents in Nigeria”. Transactions of the Ophthalmological Society of Nigeria 4, no. 1 (August 1, 2021). Accessed December 22, 2024. https://tosn.org.ng/index.php/home/article/view/2.