Martin, W R Demonstration of tolerance to and physical dependence of N-allylnormorphine (nalorphine). [electronic resource] - The Journal of pharmacology and experimental therapeutics Dec 1965 - 437-42 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article ISSN: 0022-3565 Subjects--Topical Terms: Analgesics--pharmacologyClinical Trials as TopicDrug ToleranceHumansMorphine--pharmacologyNalorphine--pharmacologyNarcotic Antagonists--pharmacologyPlacebosSubstance Withdrawal SyndromeSubstance-Related Disorders