Khalid Shaban, Atef alasfar and Nada Shaban (2025) “Evaluation of Tumor Necrosis Factor α (TNF-α) in Gingival Crevicular Fluid and Serum Before and After Phase I Therapy with Subgingival delivery of Hyaluronic Acid in Chronic Periodontitis Patients”, Khalij-Libya Journal of Dental and Medical Research, pp. 33–37. doi: 10.47705/kjdmr.25911005.