The role of peripheral mu opioid receptors in the modulation of capsaicin-induced thermal nociception in rhesus monkeys.
Ko MC, Butelman ER, Woods JH. The role of peripheral mu opioid receptors in the modulation of capsaicin-induced thermal nociception in rhesus monkeys. J Pharmacol Exp Ther. 1998 Jul; 286(1):150-6.