Pujol J, Fenoll R, Macia D, Martinez-Vilavella G, Alvarez-Pedrerol M, Rivas I, Forns J, Deus J, Blanco-Hinojo L, Querol X, Sunyer J. Airborne copper exposure in school environments associated with poorer motor performance and altered basal ganglia. Brain Behav. 2016 Apr 22;e00467. doi: 10.1002/brb3.467
Gibbs RB, Nelson D, Anthony MS, Clarkson TB. Effects of long-term hormone replacement and of tibolone on choline acetyltransferase and acetylcholinesterase activities in the brains of ovariectomized, cynomologus monkeys. Neuroscience. 2002;113(4):907-14.