title: Quality assurance in Trent Regional Health Authority's breast screening programme.
authors.affiliation: X-ray Department, General Hospital, Nottingham.
authors.forename: P
authors.initials: P
authors.lastname: Thornhill
mesh_terms: D001943:Breast Neoplasms / Q000517:prevention & control*; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D008327:Mammography / Q000592:standards*; D008403:Mass Screening / Q000592:standards*; D011785:Quality Assurance, Health Care / Q000458:organization & administration*; D013222:State Medicine