Binish Chaudhary , Andleeb Afzal , Muhammad Aleem Khan ,Bushra Anwar ,Abdul Rehman , Muhammad Faheem Shahzad. “Vitamin D Deficiency in Rawalpindi –Islamabad Region”. Journal of Rawalpindi Medical College 21, no. 2 (June 30, 2017). Accessed November 2, 2025. http://journalrmc.com/index.php/JRMC/article/view/88.