title: Intraventricular bethanechol in Alzheimer's disease: a continuing controversy.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000188:drug therapy*; D018723:Bethanechol; D001626:Bethanechol Compounds / Q000008:administration & dosage / Q000627:therapeutic use*; D002552:Cerebral Ventricles; D006801:Humans
chemical_list: D001626:Bethanechol Compounds; D018723:Bethanechol