Factors associated with prevalent abnormal anal cytology in a large cohort of HIV-infected adults in the United States.

Conley L, Bush T, Darragh TM, Palefsky JM, Unger ER, Patel P, Kojic EM, Cu-Uvin S, Martin H, Overton ET, Hammer J, Henry K, Vellozzi C, Wood K, Brooks JT