title: NHS London. Risk linked to surgery volume.
authors.forename: Ben
authors.initials: B
authors.lastname: Clover
mesh_terms: D017544:Aortic Aneurysm, Abdominal / Q000601:surgery*; D017052:Hospital Mortality / Q000639:trends*; D008131:London; D013222:State Medicine; D013503:Surgery Department, Hospital; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data