title: Clinical trials: subgroup analyses.
authors.forename: K E
authors.initials: KE
authors.lastname: Stanley
authors.forename: M A
authors.initials: MA
authors.lastname: Fischl
authors.forename: A C
authors.initials: AC
authors.lastname: Collier
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000188:drug therapy*; D000998:Antiviral Agents / Q000627:therapeutic use; D015496:CD4-Positive T-Lymphocytes; D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D007958:Leukocyte Count; D015215:Zidovudine / Q000627:therapeutic use
chemical_list: D000998:Antiviral Agents; D015215:Zidovudine