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Tonetti MS, Jepsen S; Working Group 2 of the European Workshop on Periodontology.Tonetti MS, et al.J Clin Periodontol. 2014 Apr;41 Suppl 15:S36-43. doi: 10.1111/jcpe.12219.J Clin Periodontol. 2014.PMID: 24640999