title: [Drug therapy of Alzheimer's disease. Problems of the criteria of clinical trials of nootropic drugs].
authors.forename: S
authors.initials: S
authors.lastname: Hirai
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D003704:Dementia / Q000175:diagnosis / Q000188:drug therapy*; D006801:Humans; D010889:Piracetam / Q000627:therapeutic use*; D011760:Pyrrolidinones / Q000627:therapeutic use*
chemical_list: D011760:Pyrrolidinones; D010889:Piracetam