Seroprevalence of human papillomavirus (HPV) type 6 and 16 vary by anatomic site of HPV infection in men - Lu, Beibei; Villa, Luisa Lina; Lazcano-Ponce, Eduardo; Salmerón, Jorge; Quiterio, Manuel; Giuliano, Anna R.; Viscidi, Raphael P.; Wu, Yougui; Nytray, Alan G.; Silva, Roberto J. Carvalho da; Baggio, Maria Luiza; Smith, Danelle C.; et al. (Cancer epidemiology biomarkers prev, 2012)