title: First once-daily protease inhibitor.
mesh_terms: D044966:Anti-Retroviral Agents / Q000627:therapeutic use; D000069446:Atazanavir Sulfate; D017277:Drug Approval; D015658:HIV Infections / Q000188:drug therapy*; D009842:Oligopeptides / Q000627:therapeutic use*; D011480:Protease Inhibitors / Q000627:therapeutic use*; D011725:Pyridines / Q000627:therapeutic use*
chemical_list: D044966:Anti-Retroviral Agents; D009842:Oligopeptides; D011480:Protease Inhibitors; D011725:Pyridines; D000069446:Atazanavir Sulfate