Unprotected anal intercourse among women in low-income areas — United States, 2006-2007

Elizabeth DiNenno, PhD1, Nevin Krishna, MS, MPH1, Alexandra Oster, MD1, Binh Le1, Paul Denning, MD1, Catlainn Sionean, PhD1 and James Heffelfinger, MD, MPH2
(1)Centers for Disease Control and Prevention, Atlanta, GA, (2)CDC-NCHHSTP, Atlanta, GA