Broom, D. C.; Jutkiewicz, E. M.; Rice, K. C.; Traynor, J. R.; Woods, J. H. (2002). „Behavioral effects of delta-opioid receptor agonists: Potential antidepressants?”. Japanese Journal of Pharmacology. 12396021 (1): 1—6. PMID12396021. doi:10.1254/jjp.90.1.
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Broom, D. C.; Guo, L.; Coop, A.; Husbands, S. M.; Lewis, J. W.; Woods, J. H.; Traynor, J. R. (2000). „BU48: A novel buprenorphine analog that exhibits delta-opioid-mediated convulsions but not delta-opioid-mediated antinociception in mice”. The Journal of Pharmacology and Experimental Therapeutics. 10945877 (3): 1195—1300. PMID10945877.
Broom, D. C.; Jutkiewicz, E. M.; Rice, K. C.; Traynor, J. R.; Woods, J. H. (2002). „Behavioral effects of delta-opioid receptor agonists: Potential antidepressants?”. Japanese Journal of Pharmacology. 12396021 (1): 1—6. PMID12396021. doi:10.1254/jjp.90.1.