1. Use of writhing test for evaluating analgesic activity of narcotic antagonists;Blumberg,1965
2. Pharmarmakologische Studien uber N-Allylnormorphinan;Braunlich;Arzneimittel-Forsch.,1962
3. Some narcotic antagonists in the Benzomorphan series;Harris;J. Pharmacol. Exptl. Therap.,1964
4. Antagonism of the frequency of phenylquinone induced writhing in the mouse by weak analgesics and nonanalgesics;Hendershot;J. Pharmacol. Exptl. Therap.,1959
5. Effects of psychotropic drugs on pain;Hoffmeister,1968