Butyrylcholinesterase K and Apolipoprotein E-ɛ4 Reduce the Age of Onset of Alzheimer's Disease, Accelerate Cognitive Decline, and Modulate Donepezil Response in Mild Cognitively Impaired Subjects.
De Beaumont L, Pelleieux S, Lamarre-Théroux L, Dea D, Poirier J, Alzheimer’s Disease Cooperative Study