@article {9663,
	title = {PET imaging of dopamine transporter and drug craving during methadone maintenance treatment and after prolonged abstinence in heroin users},
	journal = {European Journal of Pharmacology},
	year = {2008},
	pages = {160-166},
	doi = {10.1016/j.ejphar.2007.09.042},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/17977528},
	author = {Jie Shi and Li-Yan Zhao and Marc L. Copersino and Yu-Xia Fang and Yingmao Chen and Jiahe Tian and Yanping Deng and Yinliang Shuai and Jun Jin and Lin Lu}
}
