title: Walking through the valley.
authors.forename: C R
authors.initials: CR
authors.lastname: Underwood
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D000328:Adult; D004630:Emergencies; D006716:Homosexuality; D006801:Humans; D008297:Male; D014947:Wounds and Injuries / Q000601:surgery*