DOI: 10.1055/s-00035037

Methods of Information in Medicine

Referenz

Caton JG, Armitage G, Berglundh T. et al.
A new classification scheme for periodontal and peri-implant diseases and conditions—introduction and key changes from the 1999 classification.

J Clin Periodontol 2018;
45 (Suppl. 20) S1-S8

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