Evaluation of active matrix metalloproteinase-8 (aMMP-8) chair-side test as a diagnostic biomarker in the staging of periodontal diseases. - Öztürk, V. Özgen; Emingil, Gülnur; Umeizudike, Kehinde; Tervahartiala, Taina; Gieselmann, Dirk-Rolf; Maier, Kurt; Köse, Timur; Sorsa, Timo; Alassiri, Saeed (Archives of Oral Biology, 2021)