title: Cervical cytology screening in two Yorkshire areas: pattern of service.
mesh_terms: D000293:Adolescent; D000328:Adult; D004739:England; D005260:Female; D006801:Humans; D008393:Marriage; D008403:Mass Screening; D008875:Middle Aged; D012959:Socioeconomic Factors; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology*; D014626:Vaginal Smears