[1]
M. . Tariq, M. . Hameed, M. . Ahmad, A. . Wahid, S.- ur-. Rehman, and N. . Ayub, “Effect of Serum Vitamin D Levels on the Severity of Periodontal Disease: A Comparative Study”, Pak Armed Forces Med J, vol. 75, no. 4, pp. 712–716, Aug. 2025, doi: 10.51253/pafmj.v75i4.11496.