title: Foreskin surface area and HIV acquisition.
authors.forename: Nigel
authors.initials: N
authors.lastname: O'Farrell
mesh_terms: D004198:Disease Susceptibility; D052816:Foreskin / Q000821:virology*; D015658:HIV Infections / Q000635:transmission* / Q000821:virology; D006801:Humans; D008297:Male; D010413:Penis / Q000821:virology