title: The role of science.
authors.affiliation: Department of Tumor Biology, Karolinska Institute, Stockholm, Sweden.
authors.forename: G
authors.initials: G
authors.lastname: Klein
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D000818:Animals; D006678:HIV; D006801:Humans; D012586:Science; D012725:Sexual Behavior; D015229:Sexually Transmitted Diseases, Viral