title: The HIV challenge.
authors.forename: B
authors.initials: B
authors.lastname: Palmer
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D000328:Adult; D006801:Humans; D008297:Male; D014481:United States / Q000453:epidemiology