title: Concorde trial of immediate versus deferred zidovudine.
authors.forename: P A
authors.initials: PA
authors.lastname: Laing
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D004334:Drug Administration Schedule; D015658:HIV Infections / Q000188:drug therapy* / Q000401:mortality; D006801:Humans; D007958:Leukocyte Count; D013601:T-Lymphocytes; D015215:Zidovudine / Q000008:administration & dosage*
chemical_list: D015215:Zidovudine