title: Invasive cancer of cervix: failures in prevention; I. Previous Pap smear tests and opportunities for screening.
mesh_terms: D002277:Carcinoma / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008403:Mass Screening; D009519:New York City; D065006:Papanicolaou Test; D012959:Socioeconomic Factors; D002583:Uterine Cervical Neoplasms / Q000517:prevention & control*; D014626:Vaginal Smears