Cheney, D L The effect of p-chlorophenylalanine on opiate-induced running, analgesia, tolerance and physical dependence in mice. [electronic resource] - The Journal of pharmacology and experimental therapeutics Apr 1971 - 309-15 p. digital Publication Type: Journal Article ISSN: 0022-3565 Subjects--Topical Terms: 5-Hydroxytryptophan--pharmacologyAnalgesiaAnimalsBehavior, Animal--drug effectsBrain Chemistry--drug effectsDrug ToleranceFenclonine--pharmacologyHumansLevorphanol--pharmacologyMaleMorphine Dependence--drug therapyPhenylalanine--pharmacologyRatsSerotonin--analysisTritium