1. Agid, Y., Javoy, F., Guyenet, P., Beaujouan, J. C. and Glowinski, J. (1974): Proc. IX Cong. Colleg. Int. Neuropsychopharmacol. 9:480–486.
2. Anden, N.-E., Dahlstrom, A., Fuxe, K., Larsson, K., Olson, L. and Ungerstedt, U. (1966): Acta Physiol. Scand. 67:313–326.
3. Anden, N.-E., Fuxe, K., Hamberger, B. and Hokfelt, T. (1966): Acta Physiol. Scand. 67:306–312.
4. Austin, L. and James, K.A. C. (1970): J. Neuroehem. 17:705–707.
5. Barker, L.A. and Mittag, T.W. (1975): J. Pharmacol. Exp. Ther. 192:86–94.