1. Adams, H. M.: In: Regional Neurochemistry, S. Kety, and J. Elkes, Eds., pp. 293. New York: Pergamon Press 1961.
2. Aures, D.: to be published.
3. - unpublished observation.
4. —, R. Fleming, and R. Håkanson: J. Chromatog. 33, 480 (1968).
5. Cais, M.: Med. Exp. 5, 73 (1961).