@article {9707,
	title = {Stress enhances retrieval of drug-related memories in abstinent heroin addicts},
	journal = {Neuropsychopharmacology},
	year = {2010},
	pages = {720-726},
	doi = {10.1038/npp.2009.179},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/19890257},
	author = {Li-Yan Zhao and Jie Shi and Xiao-Li Zhang and David H. Epstein and Xiang-yang Zhang and Yu Liu and Thomas R. Kosten and Lin Lu}
}
