1. (a) C. Y. Chiou and J. P. Long, Arch. Int. Pharmacodyn. Ther. 182, 269 (1969);
2. (a) C. Y. Chiou and J. P. Long, Proc. Soc. Exp. Biol. Med. 132, 732 (1969);
3. (b) C. Y. Chiou, J. P. Long, R. Potrepka, and J. L. Spratt, Arch. Int. Pharmacodyn. Ther.
187, 88 (1970).
4. P. Th. Hendersen, E. J. Ariëns, and A. M. Simonis, Eur. J. Pharmacol.
4, 2 (1968).
5. L. Beani et al., Prog. Brain Res.
79, 149 (1989) and references cited therein.