title: Vein graft surveillance.
authors.forename: H
authors.initials: H
authors.lastname: Bruijnen
authors.forename: K D
authors.initials: KD
authors.lastname: Wölfle
mesh_terms: D000671:Amputation, Surgical; D001157:Arterial Occlusive Diseases / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D007866:Leg / Q000098:blood supply; D014680:Veins / Q000637:transplantation*