M. N. Shafqat, M. Haider, and A. Z. K. Chachar, “FREQUENCY OF VITAMIN D DEFICIENCY AMONG PATIENTS ATTENDING IN OUTPATIENT DEPARTMENT IN A TERTIARY CARE HOSPITAL IN LAHORE”, Pak Armed Forces Med J, vol. 69, no. 3, pp. 681–84, Jun. 2019, Accessed: Aug. 25, 2024. [Online]. Available: https://pafmj.org/PAFMJ/article/view/3054