title: The complex that wasn't there.
authors.affiliation: Intensive Care Unit, Canberra Hospital, PO Box 11, Woden, ACT 2606, Australia.
authors.forename: Imogen
authors.initials: I
authors.lastname: Mitchell
authors.forename: Tim
authors.initials: T
authors.lastname: McKenzie
authors.forename: George
authors.initials: G
authors.lastname: Nikolić
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001021:Aortic Valve; D004562:Electrocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male