
Morphine-induced antinociception and reward in “humanized” mice expressing the mu opioid receptor A118G polymorphism
Keywords: ANOVA, analysis of variance; AUC, area under the curve; BT, body temperature; CPP, conditioned place preference; DAMGO, [D-Ala2, N-MePhe4, and Gly-ol]-enkephalin; ICSS, intra-cranial self-stimulation; IP, intraperitoneal; MPE, maximal possible effect; MOR