Papanicolaou smear-tests: every three years is enough.
Dickinson
J A
JA
D005260:Female; D006801:Humans; D065006:Papanicolaou Test; D013997:Time Factors; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D014626:Vaginal Smears