title: How much evidence is needed for the introduction of new technologies into clinical practice in vascular surgery?
authors.forename: J T
authors.initials: JT
authors.lastname: Powell
mesh_terms: D017544:Aortic Aneurysm, Abdominal / Q000601:surgery; D002986:Clinical Trials as Topic; D006801:Humans; D013677:Medical Laboratory Science / Q000639:trends*; D014656:Vascular Surgical Procedures / Q000295:instrumentation / Q000639:trends