Saima Sharif, Farkhanda Manzoor, Shagufta Naz, Nazia Ibrahim, Afia Iqbal,, & Saba Fatima, Mehwish Iqtedar. " 52. Prevalence of subtypes of epithelial and sub-epithelial corneal dystrophy in Punjab-Pakistan." Pure and Applied Biology (PAB) [Online], 7.2 (0): 872-881. Web. 22 May. 2019