Altayf, A.A. (2023) “The Level of 25-Hydroxy Vitamin D3 in Gingival Crevicular fluid and Serum Pre-Post Scaling and Root Planning in Chronic Periodontitis Patients in Western Libya: Comparative Study”, Al-Mukhtar Journal of Sciences, 38(4), pp. 354–359. doi:10.54172/njjw7j72.