Hussain, Irshad, et al. “Comparison of Frequency of Pseudo-Exfoliation Syndrome in Patients Undergoing Cataract Surgery in Different Regional Hospitals of Pakistan”. Pakistan Armed Forces Medical Journal, vol. 73, no. 1, Feb. 2023, pp. 131-34, https://doi.org/10.51253/pafmj.v73i1.5365.