1. Hollenberg, M. D., 1978, Pharmacol. Rev. 30:393–410.
2. Bylund, D. B., 1979, Adv. Exp. Med. Biol. 116:133–162.
3. Hoffman, B. B., and Lefkowitz, R. J., 1980, Annu. Rev. Pharmacol. Toxicol. 20:581–608.
4. Miller, R. J., and Dawson, G., 1980, Adv. Biochem. Psychopharmacol. 21:11–20.
5. Seeman, P., 1980, Pharmacol. Rev. 32:229–313.