Asghar Ali Khan, Waseem Khan, Noor-U-Rahman, Muhammad Salar Khan, Muhammad Jawad Saleem, Muhammad Ilyas. “Frequency of Vitamin D Deficiency Among Children With Lower Limb Angular Deformity”. Pakistan Journal of Medical & Health Sciences 17, no. 12 (December 28, 2023): 808. Accessed April 1, 2026. https://www.pjmhsonline.com/index.php/pjmhs/article/view/7153.