The Natural History of Genital Human Papillomavirus Among HIV-Negative Men Having Sex With Men and Men Having Sex With Women - Nyitray, Alan G.; Chang, Mihyun; Villa, Luisa L.; Silva, Roberto J. Carvalho da; Baggio, Maria Luiza; Abrahamsen, Martha; Papenfuss, Mary; Quiterio, Manuel; Salmerón, Jorge; Lazcano-Ponce, Eduardo; Giuliano, Anna R. (The journal of Infectious Diseases, 2015)