1. Benson, W.M., Stefko, P.L., and Randall, L.O., J. Pharmac. exp. Ther.109 (1953) 189.
2. Axelrod, J., J. Pharmac. exp. Ther.117 (1956) 322.
3. Takemorei, A.E., and Mannering, G.J., J. Pharmac. exp. Ther.123 (1958) 171.
4. Gervasi, P.G., Citti, L., Turchi, G., Bellucci, G., Berti, G., Mastrorilli, E., and Tortello, M.P., Xenobiotica12 (1982) 517.
5. Nash, T., Biochem. J.55 (1953) 416.