Cervical smears.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D004739:England; D005260:Female; D006801:Humans; D008875:Middle Aged; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology / Q000517:prevention & control*; D014626:Vaginal Smears / Q000706:statistics & numerical data; D014852:Wales