Evolution of AO philosophy.
Stephan M
SM
Perren
Peter
P
Matter
D035843:Biomedical Research; D005592:Fracture Fixation / Q000266:history; D049673:History, 20th Century; D006801:Humans; D009985:Orthopedics / Q000266:history*; D012955:Societies, Medical / Q000266:history*