[Is Black still up-to-date--from the periodontist's point of view].
Renggli
H H
HH
D003731:Dental Caries / Q000628:therapy*; D006665:History of Dentistry; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010510:Periodontal Diseases / Q000209:etiology*
Ist Black noch zeitgemäss?--aus der Sicht des Parodontologen.