@article {9718,
	title = {Psychosocial stress enhances non-drug-related positive memory retrieval in male abstinent heroin addicts},
	journal = {Neuroscience Letters},
	year = {2010},
	pages = {16-20},
	doi = {10.1016/j.neulet.2010.08.046},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/20732384},
	author = {Li-Yan Zhao and Jie Shi and Xiao-Li Zhang and Lin Lu}
}
