Faryal Adnan, N. Qadir Memon, A. Sami, M. Meraj, R. Shaikh, and S. Zahid Ali, “Prevalence of Vit-D Deficiency in Medical Students”, Med J South Punjab, vol. 2, no. 1, Mar. 2021, doi: 10.61581/MJSP.VOL02/01/03.