Protective effects of cervical screening.
Norman
S A
SA
Berlin
J A
JA
Talbott
E O
EO
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