title: "Opportunistic" screening.
authors.forename: M
authors.initials: M
authors.lastname: Law
mesh_terms: D000005:Abdomen / Q000000981:diagnostic imaging*; D000368:Aged; D017544:Aortic Aneurysm, Abdominal / Q000000981:diagnostic imaging / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008403:Mass Screening; D014463:Ultrasonography