title: Decreased ratio of CSF acetylcholinesterase to butyrylcholinesterase activity in Alzheimer's disease.
mesh_terms: D000110:Acetylcholinesterase / Q000134:cerebrospinal fluid*; D000544:Alzheimer Disease / Q000175:diagnosis / Q000201:enzymology*; D002091:Butyrylcholinesterase / Q000134:cerebrospinal fluid; D004796:Clinical Enzyme Tests; D006801:Humans; D008875:Middle Aged
chemical_list: D000110:Acetylcholinesterase; D002091:Butyrylcholinesterase