title: The quadrivalent HPV vaccine is effective prophylaxis against HPV-related external genital lesions in young men.
authors.affiliation: Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia. bdonovan@kirby.unsw.edu.au
authors.forename: Basil
authors.initials: B
authors.lastname: Donovan
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Grulich