declined by more than 60% 2.4 women per 100,000 cervical cancer American women after the introduction of the Pap test 1950s National Institutes of Health 1950s declined by more than 60% cancers declined by more than 60% National Institutes of Health (NIH) declined by more than 60% cervical cancer 2.4 women per 100,000 decreased by more than 60% American women a leading cause of cancer death by more than 60% by more than 60% National Institutes of Health NIH Cervical cancer leading cause of death 2.4 women per 100,000 2.4 women per 100,000 2.4 women per 100,000 National Institutes of Health NIH declined by more than 60% NIH cervical cancer declined by more than 60% declined by more than 60 percent 1950s 2.4 women per 100,000 five decades after the introduction of the Pap test Studies show declined by more than 60% HPV 2.4 women per 100,000 National Institutes of Health American women 1950s National Institutes of Health declined by more than 60% dropped American women after the introduction of the Pap test 2.4 women per 100,000 2.4 women per 100,000 declined by more than 60% US from 2003 through 2007 2.4 women per 100,000 National Institutes of Health