title: U.S. probe meets resistance.
authors.forename: W
authors.initials: W
authors.lastname: Booth
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D006306:Health Surveys; D006801:Humans; D009316:National Institutes of Health (U.S.); D011057:Politics; D012725:Sexual Behavior; D014481:United States