Problems in the construction and interpretation of screening programmes.
D002278:Carcinoma in Situ / Q000517:prevention & control; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D013548:Sweden; D002583:Uterine Cervical Neoplasms / Q000401:mortality / Q000517:prevention & control*; D014626:Vaginal Smears