Hameed, Abdul, Saleem Ahmad, Sajjad ur Rehman, Ahmad Ali Aurakzai, and Amin Jan Gandapoor. 2011. “A Study of Rickets - Morbidity and Aetiology of a Low Profile Disorder”. Journal of Postgraduate Medical Institute 12 (2). https://jpmi.org.pk/index.php/jpmi/article/view/613.