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Ramseier, Christoph; Anerud, Age; Dulac, Mary; Lulic, Martina; Cullinan, Mary P; Seymour, Gregory J; Faddy, Malcolm J; Bürgin, Walter; Schätzle, Marc; Lang, Niklaus Peter (2017). Natural history of periodontitis: Disease progression and tooth loss over 40 years. Journal of clinical periodontology, 44(12), pp. 1182-1191. Wiley 10.1111/jcpe.12782
