Temperature responses in restrained and unrestrained rats to the selective mu opioid agonist, DAGO.
D000818:Animals; D001831:Body Temperature / Q000187:drug effects*; D020875:Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; D004745:Enkephalins / Q000494:pharmacology*; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000187:drug effects*; D017450:Receptors, Opioid, mu; D012149:Restraint, Physical; D013312:Stress, Physiological / Q000503:physiopathology*
D004745:Enkephalins; D011957:Receptors, Opioid; D017450:Receptors, Opioid, mu; D020875:Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; D009270:Naloxone