1. Control of behavior by drug-produced internal stimuli;Belleville;Psychopharmacologia (Berlin),1964
2. Development and loss of tolerance to morphine in the rat after single and multiple injections;Cochin;J. Pharmacol. Exptl. Therap.,1964
3. Factors in blood of morphine-tolerant animals that attenuate or enhance effects of morphine in nontolerant animals;Cochin;Res. Publ. Ass. Nerv. Ment. Dis.,1968
4. Evaluation of narcotic analgesics;Jacob,1966
5. Analgesic action and brain and plasma levels of morphine and codeine in morphine tolerent, codeine tolerant and non-tolerant rats;Jóhannesson;Acta Pharmacol. Toxicol.,1964