Show 20 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Lang, Niklaus" or (type exact bookEditor and editor="Lang, Niklaus") Add to list Journal Article A1 Periimplant diseases: where are we now?: consensus of the seventh European workshop on periodontology Niklaus Lang, Tord Berglundh, the Working group 4 of the Seventh European Workshop on Periodontology and Hugo De Bruyn (UGent) (2011) JOURNAL OF CLINICAL PERIODONTOLOGY. 38(suppl. 11). p.178-181