[Preliminary report on the results of mass screening for cervix neoplasms at 15 hospitals in Peking].
D000328:Adult; D002681:China; D005260:Female; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis / Q000453:epidemiology*