AZT and 3TC.
D018791:CD4 Lymphocyte Count; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000188:drug therapy* / Q000276:immunology; D006801:Humans; D019259:Lamivudine; D016047:Zalcitabine / Q000008:administration & dosage / Q000031:analogs & derivatives / Q000627:therapeutic use*; D015215:Zidovudine / Q000008:administration & dosage / Q000627:therapeutic use*
D019259:Lamivudine; D015215:Zidovudine; D016047:Zalcitabine