Anal human papillomavirus infection and associated neoplastic lesions in men who have sex with men: a systematic review and meta-analysis

Authors: Dorothy A. Machalek, Mary Poynten, Fengyi Jin, Christopher K. Fairley, Annabelle Farnsworth, Suzanne M. Garland, Richard J. Hillman, Kathy Petoumenos, Jennifer M. Roberts, Sepehr N. Tabrizi, David J. Templeton, Andrew E. Grulich - The Lancet 2012 cited by 952