title: [On the 85th birthday of Professor Dr. med. Hagen Tronnier].
authors.forename: W-I
authors.initials: WI
authors.lastname: Worret
mesh_terms: D035843:Biomedical Research / Q000266:history*; D003880:Dermatology / Q000266:history*; D005858:Germany; D049673:History, 20th Century; D049674:History, 21st Century; D010820:Physicians / Q000266:history*