the molecular forms of acetylcholinesterase ( ache ) and butyrylcholinesterase ( bche ) were studied in frontal cortex ( grey and white matter ) , postmortem , and in cerebrospinal fluid ( csf ) of demented patients with parkinson 's disease compared to controls and non-demented parkinsonians .
C0001044
acetylcholinesterase
C0008429
butyrylcholinesterase