title: Effect of screening on cervical cancer mortality in England and Wales. Interactive effects and causation must be considered.
authors.forename: W C
authors.initials: WC
authors.lastname: Leung
mesh_terms: D000367:Age Factors; D015988:Cohort Effect; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D008403:Mass Screening; D002583:Uterine Cervical Neoplasms / Q000401:mortality*; D014852:Wales / Q000453:epidemiology