1. Coupland, R. E. (1965) Electron microscopic observations on the structure of the rat adrenal medulla.Journal of Anatomy 99, 231?54.
2. Elfvin, L. G. (1971) Ultrastructural studies on the synaptology of the inferior mesenteric ganglion of the cat.Journal of Ultrastructure Research 37, 441?7.
3. Grillo, M. A. (1966) Electron microscopy of sympathetic tissues.Pharmacological Reviews 18, 387?99.
4. Harris, J., Morgenroth, V., Roth, R. andBaldessarini, R. (1974) Regulation of catecholamine synthesis in the rat brainin vitro by cyclic AMP.Nature 252, 156?8.
5. Kakiuchi, S. andRall, T. (1968) The influence of chemical agents on the accumulation of adenosine 3?, 5? phosphate in slices of rabbit cerebellum.Molecular Pharmacology 4, 367?78.