I. Hussain, A. Rauf, O. Ishtiaq, Q.- ul-. Islam, F. A. Khan, and S. Ali, “Comparison of Frequency of Pseudo-Exfoliation Syndrome in Patients Undergoing Cataract Surgery in Different Regional Hospitals of Pakistan”, PAFMJ, vol. 73, no. 1, pp. 131–34, Feb. 2023.