title: The link between modelling and doing.
authors.affiliation: Abt Associates, International Health Division, Bethesda, MD 20814, USA. Electronic address: ben_johns@abtassoc.com.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Johns
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D015658:HIV Infections / Q000188:drug therapy* / Q000191:economics*; D006296:Health Services; D018451:Homosexuality, Male; D006801:Humans; D008297:Male
chemical_list: D019380:Anti-HIV Agents