title: 25, 50 & 75 years ago.
authors.forename: John P
authors.initials: JP
authors.lastname: Harris
mesh_terms: D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D019637:Orthopedic Procedures / Q000266:history*; D019112:Teleradiology / Q000266:history*