title: Outcomes in vascular surgery: volume versus certification.
authors.forename: E V
authors.initials: EV
authors.lastname: Finlayson
authors.forename: J D
authors.initials: JD
authors.lastname: Birkmeyer
mesh_terms: D002568:Certification; D006801:Humans; D007866:Leg / Q000098:blood supply / Q000601:surgery; D008137:Longitudinal Studies; D014656:Vascular Surgical Procedures / Q000193:education* / Q000401:mortality