Linking oral microbial proteolysis to aMMP‐8 PoC diagnostics along with the stage and grade of periodontitis: A cross‐sectional study. (27th August 2021) - Gupta, Shipra; Sahni, Vaibhav; Räisänen, Ismo T.; Grigoriadis, Andreas; Sakellari, Dimitra; Gieselmann, Dirk‐Rolf; Sorsa, Timo