title: An assessment of the effectiveness of cervical cytology screening in Sheffield.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D004739:England; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000191:economics / Q000592:standards; D008875:Middle Aged; D012959:Socioeconomic Factors; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology* / Q000401:mortality; D014626:Vaginal Smears