Abdullah Naeem Syed, Uroosa Iqbal, Rehan Moinuddin Shaikh, Ahsan Qureshi, Shafqat Hussain, Muhammad Asad Chughtai. “Prevalence of Subclinical Optic Nerve Changes in Patients With Chronic Otitis Media: A Prospective Observational Study”. Pakistan Journal of Medical & Health Sciences 17, no. 11 (November 27, 2023): 530. Accessed December 16, 2025. https://pjmhsonline.com/index.php/pjmhs/article/view/6887.