title: John Blair Deaver, M.D., and his marvelous retractor.
authors.affiliation: Department of Surgery, Jefferson Medical College of Thomas Jefferson, University, Philadelphia, PA 19107, USA.
authors.forename: Timothy E
authors.initials: TE
authors.lastname: Newhook
authors.forename: Charles J
authors.initials: CJ
authors.lastname: Yeo
authors.forename: Pinckney J
authors.initials: PJ
authors.lastname: Maxwell
mesh_terms: D013502:General Surgery / Q000266:history* / Q000295:instrumentation; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007813:Laparotomy / Q000266:history / Q000295:instrumentation; D013525:Surgical Instruments / Q000266:history*; D014481:United States