title: Ethics in clinical studies.
mesh_terms: D000560:Amdinocillin / Q000627:therapeutic use*; D000561:Amdinocillin Pivoxil / Q000627:therapeutic use*; D000667:Ampicillin / Q000031:analogs & derivatives*; D004359:Drug Therapy, Combination; D004992:Ethics, Medical; D006801:Humans; D010917:Pivampicillin / Q000627:therapeutic use*; D011704:Pyelonephritis / Q000188:drug therapy*
chemical_list: D010917:Pivampicillin; D000561:Amdinocillin Pivoxil; D000667:Ampicillin; D000560:Amdinocillin