Martin Kirschner.
D005592:Fracture Fixation / Q000266:history / Q000379:methods; D013502:General Surgery / Q000266:history; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009985:Orthopedics / Q000266:history; D010678:Philately