MOHAMMADI S-F, ALINIA C, GHADERI E, LASHAY A, JABBARVAND M, ASHRAFI E, NOURMOHAMMADI N, SHAHRAZ S. Ophthalmic Care Utilization and Out-of-Pocket Expenditure in Iran: Kurdistan Eye Health and Economics Survey-2015. Iran J Public Health. 2019;48(7):1301-1309.