title: Preliminary study findings fuel debate over timing of zidovudine therapy.
mesh_terms: D015496:CD4-Positive T-Lymphocytes; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D007958:Leukocyte Count; D013997:Time Factors; D015215:Zidovudine / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D015215:Zidovudine