title: Development and Evolution of Self-Retaining Retractors in Surgery: The Example of the Bookwalter Retractor.
authors.affiliation: Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA. Electronic address: jnb9k@virginia.edu.
authors.forename: Justin
authors.initials: J
authors.lastname: Barr
authors.affiliation: Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA.
authors.forename: Kenneth L
authors.initials: KL
authors.lastname: Brayman
mesh_terms: D004867:Equipment Design / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D013525:Surgical Instruments / Q000266:history*; D014481:United States