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"Systemic administration of (Tyr-D-Ser(O-tert-butyl)-Gly-Phe-Leu-Thr(O-tert-butyl), a highly selective delta opioid agonist, induces mu receptor-mediated analgesia in mice.." Journal of Pharmacology and Experimental Therapeutics
257.2
(1991):
767-773.
Web. 14 Dec. 2024.