Opioid-induced glial activation: mechanisms of activation and implications for opioid analgesia, dependence, and reward.
Hutchinson MR, Bland ST, Johnson KW, Rice KC, Maier SF, Watkins LR. Opioid-induced glial activation: mechanisms of activation and implications for opioid analgesia, dependence, and reward. ScientificWorldJournal. 2007 Nov 02; 7:98-111.