Sethi, Sadia, Mohammad Junaid Sethi, Ibrar Hussain, and Tajamul Khan. 2008. “REFRACTIVE ERRORS IN CHILDREN ATTENDING OUT-PATIENT DEPARTMENT OF OPHTHALMOLOGY, KHYBER TEACHING HOSPITAL, PESHAWAR: Refractive Errors in Children”. Pakistan Armed Forces Medical Journal 58 (4): 424-28. https://pafmj.org/PAFMJ/article/view/1963.