title: The history and evolution of surgical instruments: XI retractors, dilators and related inset pivoting instruments.
authors.affiliation: Royal College of Surgeons of England, London, UK.
authors.forename: John R
authors.initials: JR
authors.lastname: Kirkup
mesh_terms: D004867:Equipment Design / Q000266:history; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D013525:Surgical Instruments / Q000266:history*