AlMudaris, Iman Z, and Nadia A AlRawi. “Salivary Matrix Metalloproteinase-8 (MMP-8) in Relation to Periodontal Health Status Among a Group of Hypertensive Patients ”. Journal of Baghdad College of Dentistry, vol. 30, no. 3, Sept. 2018, pp. 48-53, https://doi.org/10.26477/jbcd.v30i3.2531.