1. Aquilonius, S.M., and Eckernas, S.A., 1975, Plasma concentration of free choline in patients with Huntington’s chorea on high doses of choline chloride, N. Engl. J. Med.
293: 1105.
2. Choi, R.L., Freeman, J.J., and Jenden, D.J., 1975, Kinetics of plasma choline in relation to turnover of brain choline and formation of acetylcholine, J. Neurochem. 24:735.
3. Cohen, E.L., and Wurtman, R.J., 1975, Brain acetylcholine: increase after systemic choline administration, Life Set
16: 1095.
4. Cohen, E.L., and Wurtman, R.J., 1976, Brain acetylcholine control by dietary choline, Science
191: 561.
5. Davis, K.L., and Berger, P.A., 1978, Pharmacological investigations of the cholinergic imbalance hypotheses of movement disorders and psychosis, Biol. Psychiatry 13(1): 23.