title: Purchasing vascular services.
authors: M R
authors: MR
authors: Tyrrell
authors: Y P
authors: YP
authors: Panayiotopoulos
authors: P R
authors: PR
authors: Taylor
mesh_terms: D001014:Aortic Aneurysm / Q000601:surgery*; D017558:Elective Surgical Procedures / Q000706:statistics & numerical data; D006801:Humans; D018579:Patient Selection; D016896:Treatment Outcome; D014656:Vascular Surgical Procedures / Q000706:statistics & numerical data