Rafique, A. et al. 2020. CHANGES IN RETINAL NERVE FIBER LAYER THICKNESS ON HEIDELBERG RETINAL TOMOGRAPHY IN PATIENTS OF PRIMARY OPEN ANGLE GLAUCOMA AFTER TRABECULECTOMY VERSUS ANTI GLAUCOMA MEDICATION. KHYBER MEDICAL UNIVERSITY JOURNAL. 12, 3 (Sep. 2020), 211–5. DOI:https://doi.org/10.35845/kmuj.2020.20062.