1. Archer, S., Harris, L. S.: Narcotic antagonists. In: Progress in drug research, E. Jucker, ed., pp. 263?320. Basel: Birkh�user 1965
2. Bl�sig, J., Herz, A., Reinhold, K., Zieglg�nsberger, S.: Development of physical dependence and quantification of the precipitated withdrawal syndrome in rats. Psychopharmacologia (Berl.) 33, 19?38 (1973)
3. Bl�sig, J., Herz, A.: Suppression of precipitated morphine withdrawal by opiates in rats. J. Pharmacol. Colleg. intern. Neuropsychopharmacol. IXe Congr. Paris, 8?9 (1974)
4. Blumberg, H., Dayton, H. B., George, M., Rapaport, D. N.: N-Allylnoroxymorphone: A potent narcotic antagonist. Fed. Proc. 20, 311 (1961)
5. Blumberg, H., Dayton, H. B., Wolf, P. S.: Counteractions of narcotic antagonist analgesics by the narcotic antagonist naloxone. Proc. Soc. exp. Biol. (N.Y.) 123, 755?758 (1966)