Cervical cytology in Herefordshire.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002584:Cervix Uteri / Q000166:cytology*; D004739:England; D005260:Female; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D012959:Socioeconomic Factors; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis*; D014626:Vaginal Smears