Shazam, H., F. Shaikh, M. Majeed, S. Khan, and S. Khan. “ROLE OF SALIVARY BIOMARKERS IN DIAGNOSIS OF PERIODONTITIS – A LITERATURE REVIEW”. KHYBER MEDICAL UNIVERSITY JOURNAL, Vol. 12, no. 4, Dec. 2020, pp. 326-30, doi:10.35845/kmuj.2020.19808.