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Giannobile, William V; Beikler, Thomas; Kinney, Janet S; Ramseier, Christoph A; Morelli, Thiago; Wong, David T (2009). Saliva as a diagnostic tool for periodontal disease: current state and future directions. Periodontology 2000, 50, pp. 52-64. Oxford: Blackwell 10.1111/j.1600-0757.2008.00288.x
