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6. Effects of mu-opioid agonists on cocaine- and food-maintained responding and cocaine discrimination in rhesus monkeys: role of mu-agonist efficacy. Negus SS, Mello NK. J Pharmacol Exp Ther; 2002 Mar; 300(3):1111-21. PubMed ID: 11861822 [Abstract] [Full Text] [Related]
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