1. Hahris, L S &Pierson, A K Some Narcotic Antagonists m the Benzmorphan Series J Pharmacol & Exper Therap143 141 (1964)
2. Bellville, J W &Green, J. The Respiratory and Subjective Effects of Pentazocine Clin Pharmacol & Therap6 152 (1965)
3. Cass, L J, Frederick, W S, &Teodoro, J V Pentazocine as an Analgesic J A M A188 112 (1964)
4. Keats, A S, &Telford, J. Studies of Analgesic Drugs VIII A Narcotic Antagonist Analgesic without Psychotomimetic Effects J Pharmacol & Exper Therap143 157 (1964)
5. Fraser, H F, &Rosenberg, D E Studies on the Human Addiction Liability of 2 Hydroxy-5,9-dimethyl-2-(3,3-dimethylaily)-6,7-benzomorphan (WIN-20228) A Weal Narcotic Antagonist J Pharmacol & Exper Therap143 149 (1964)