title: Non-equivalent preparations of the same drug.
mesh_terms: D002701:Chloramphenicol / Q000592:standards; D004304:Dosage Forms; D006801:Humans; D009582:Nitrofurantoin / Q000592:standards; D010118:Oxytetracycline / Q000592:standards; D004364:Pharmaceutical Preparations / Q000592:standards*; D010630:Phenindione / Q000592:standards; D010634:Phenobarbital / Q000592:standards; D010653:Phenylbutazone / Q000592:standards; D010672:Phenytoin / Q000592:standards; D013752:Tetracycline / Q000592:standards; D013810:Therapeutic Equivalency; D014044:Tolbutamide / Q000592:standards; D014859:Warfarin / Q000592:standards
chemical_list: D004304:Dosage Forms; D004364:Pharmaceutical Preparations; D010630:Phenindione; D014859:Warfarin; D010672:Phenytoin; D002701:Chloramphenicol; D009582:Nitrofurantoin; D014044:Tolbutamide; D013752:Tetracycline; D010653:Phenylbutazone; D010118:Oxytetracycline; D010634:Phenobarbital