[1]
S. Jassim and L. Ibrahim, “Correlation between Periodontal Health Status and Salivary Matrix Metalloproteinase-9 Levels in Smoker and Non-Smoker Chronic Periodontitis Patients (A Comparative Study) ”, J Bagh Coll Dent, vol. 28, no. 4, pp. 128-133, Dec. 2016.