AdvertisementDoctors Revamp Guidelines For Pap SmearsPlay04:11Download AudioMarch 14, 2012Rob SteinfacebookEmailCells gathered during a Pap test. Those on the left are normal, and those on the right are infected with human papillomavirus. (Wikimedia Commons)
Cells gathered during a Pap test. Those on the left are normal, and those on the right are infected with human papillomavirus. (Wikimedia Commons)