AZT and ddC work better together than alone.
D000163:Acquired Immunodeficiency Syndrome / Q000188:drug therapy*; D015496:CD4-Positive T-Lymphocytes / Q000276:immunology; D004357:Drug Synergism; D006801:Humans; D013601:T-Lymphocytes / Q000276:immunology; D016047:Zalcitabine / Q000627:therapeutic use*; D015215:Zidovudine / Q000627:therapeutic use*
D015215:Zidovudine; D016047:Zalcitabine