Al-Shamahy, H. A., Al-dossary, O. A. I., Al-Adhami, I. A. A., & Al-dhorae, K. (2023). Tumor necrosis alpha (tnf-α) levels in the human gingival sulcus: rates and factors affecting its levels in healthy subjects. Sana’a University Journal of Medicine and Health Sciences, 17(1). https://doi.org/10.59628/jchm.v17i1.210