title: When the drugs don't work.
authors.forename: Alec
authors.initials: A
authors.lastname: Logan
mesh_terms: D002800:Cholinesterase Inhibitors / Q000627:therapeutic use; D003072:Cognition Disorders / Q000188:drug therapy*; D003704:Dementia / Q000188:drug therapy*; D000077265:Donepezil; D006801:Humans; D007189:Indans / Q000627:therapeutic use*; D010880:Piperidines / Q000627:therapeutic use*; D017211:Treatment Failure; D006113:United Kingdom
chemical_list: D002800:Cholinesterase Inhibitors; D007189:Indans; D010880:Piperidines; D000077265:Donepezil