@article {9680,
	title = {Inhibition of period1 gene attenuates the morphine-induced ERK-CREB activation in frontal cortex, hippocampus, and striatum in mice},
	journal = {American Journal of Drug and Alcohol Abuse},
	year = {2008},
	pages = {673-682},
	doi = {10.1080/00952990802308197},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/18850497},
	author = {Su-Xia Li and Zheng-Rong Wang and Jing Li and Zu-Gui Peng and Wei Zhou and Mei Zhou and Lin Lu}
}
