title: Comparing attendees with non-attendees in breast screening does not provide useful information about an effect on prognostic features or mortality.
authors.forename: K J
authors.initials: KJ
authors.lastname: Jørgensen
authors.forename: M
authors.initials: M
authors.lastname: Kalager
authors.forename: P H
authors.initials: PH
authors.lastname: Zahl
authors.forename: V M
authors.initials: VM
authors.lastname: Fønnebø
mesh_terms: D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000453:epidemiology*; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000000981:diagnostic imaging*; D055088:Early Detection of Cancer; D005260:Female; D006801:Humans; D008327:Mammography; D008403:Mass Screening