title: FDA approves new versions of two HIV/AIDS drugs.
mesh_terms: D020008:Delavirdine / Q000008:administration & dosage / Q000627:therapeutic use*; D004334:Drug Administration Schedule; D017277:Drug Approval / Q000331:legislation & jurisprudence*; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D019888:Nelfinavir / Q000008:administration & dosage / Q000627:therapeutic use*; D018894:Reverse Transcriptase Inhibitors / Q000008:administration & dosage / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D018894:Reverse Transcriptase Inhibitors; D020008:Delavirdine; D019888:Nelfinavir