[1]
Iqbal, R., Sethi, M.J. and Sethi, S. 2011. FREQUENCY OF VITAMIN A DEFICIENCY IN CHILDREN OF AGE 6 MONTHS TO 72 MONTHS AT THE OUT PATIENT OPHTHALMOLOGY DEPARTMENT OF AGENCY HEADQUARTER HOSPITAL LANDIKOTAL, KHYBER AGENCY. Journal of Postgraduate Medical Institute. 21, 1 (Aug. 2011).