1. Hollister, L. E. Pharmac. Rev. 38, 1–20 (1986).
2. Martin, B. R. Pharmac. Rev. 38, 45–74 (1986).
3. Dewey, W. L. Pharmac. Rev. 38, 151–178 (1986).
4. Howlett, A. C. Molec. Pharmacol. 27, 429–436 (1985).
5. Howlett, A. C. & Fleming, R. M. Molec. Pharmacol. 26, 532–538 (1984).