title: [100 years of the German Orthopedic Society: from DGOC to DOG and DGOT to DGOOC].
authors.forename: F U
authors.initials: FU
authors.lastname: Niethard
mesh_terms: D005858:Germany; D049673:History, 20th Century; D009985:Orthopedics / Q000266:history*; D012955:Societies, Medical / Q000266:history*