title: The four knights gambit.
authors.forename: John R
authors.initials: JR
authors.lastname: Silver
mesh_terms: D049673:History, 20th Century; D006801:Humans; D008887:Military Medicine / Q000266:history*; D013124:Spinal Injuries / Q000266:history / Q000601:surgery*; D006113:United Kingdom; D047828:World War I