Risk factors for anogenital human papillomavirus infection in men.
Nielson CM, Harris RB, Dunne EF, Abrahamsen M, Papenfuss MR, Flores R, Markowitz LE, Giuliano AR.
Nielson CM, et al. Among authors: papenfuss mr.
J Infect Dis. 2007 Oct 15;196(8):1137-45. doi: 10.1086/521632. Epub 2007 Sep 17.
J Infect Dis. 2007.
PMID: 17955431
Free PMC article.