title: The use of an oxygen cylinder key for removal of a Hoffmann II external fixator.
authors.affiliation: Trauma Unit, John Radcliffe Hospital, Oxford, UK. williambritnell@doctors.org.uk
authors.forename: W G
authors.initials: WG
authors.lastname: Britnell
authors.forename: S M
authors.initials: SM
authors.lastname: McDonnell
authors.forename: R
authors.initials: R
authors.lastname: Handley
mesh_terms: D020878:Device Removal / Q000295:instrumentation*; D004867:Equipment Design; D016267:External Fixators; D005592:Fracture Fixation / Q000295:instrumentation*; D006801:Humans