1. Howie, D., Adrianssens, P., Prescott, L. F. (1977), J. Pharm. Pharmacol. 29, 235.
2. Younes, M., Pentz, R., Oltmanns, D. (1979), Naunyn-Schmiedeberg’s Arch. Pharmacol. 307, Suppl. R 7.
3. Jollow, D. J., Thorgeirsson, S. S., Potter, W. Z., Hashimoto, M., Mitchell, J. R. (1974), Pharmacology 12, 251.
4. Büch, H., Rummel, W., Pfleger, K., Eschrich, Ch., Texter, N. (1968), Naunyn-Schmiede- bergs Arch. Pharmakol. Exp. Path. 259, 276.
5. Siegers, C.-P., Younes, M., Oltmann, D. (1980), Arzneim.Forsch. 30 (I), 804.