Declining prevalence of cervicovaginal human papillomavirus infection with age is independent of other risk factors.
Burk RD, Kelly P, Feldman J, Bromberg J, Vermund SH, DeHovitz JA, Landesman SH. Declining prevalence of cervicovaginal human papillomavirus infection with age is independent of other risk factors. Sex Transm Dis. 1996 Jul-Aug; 23(4):333-41.