IQBAL, R.; SETHI, M. J.; SETHI, S. 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, [S. l.], v. 21, n. 1, 2011. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/147. Acesso em: 22 nov. 2024.