title: Research suggests new path to HIV prevention.  Drug concentrations high in rectal tissue.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome; D019380:Anti-HIV Agents / Q000627:therapeutic use; D015658:HIV Infections / Q000188:drug therapy; D006801:Humans; D012007:Rectum
chemical_list: D019380:Anti-HIV Agents