title: Protective effects of cervical screening.
authors.forename: S A
authors.initials: SA
authors.lastname: Norman
authors.forename: J A
authors.initials: JA
authors.lastname: Berlin
authors.forename: E O
authors.initials: EO
authors.lastname: Talbott
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001291:Attitude of Health Personnel; D005260:Female; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D014626:Vaginal Smears