H. Khalid, T. G. Malik, F. Khalid, R. Alam, M. Muslim, and I. Aslam, “Correlation of retinal nerve fiber layer thickness with optic disc parameters and disc damage likelihood scale in primary open-angle glaucoma: a cross-sectional study”, Khyber Med Univ J, vol. 18, no. 1, pp. 35–9, Mar. 2026.