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.
Burudi EM, Karanja SM, Njue AI, Githiori JB, Ndung'u JM. Establishment of a partly DFMO-sensitive primate model of Trypanosoma rhodesiense sleeping sickness. Acta Trop. 1995 Mar;59(1):71-3.