1Young.KS.Intemet addiction:the emergence of a new clinical disorder.The 104th annaual meeting of the American Psychological Assoceation,Toronto :APA, 1996.
2Basile AS,Fedorova I,Zapata A,et al.Deletion of the M5 muscarinic acetylcholine receptor attenuates morphine reinforcement and withdrawal but not morphine analgesia.Proc Natl Acad Sce USA,2002,99(17): 11452-7.
3Guodong Yang.Muscarinic receptors:a novel therapeutic target for drug addiction.Trends in Pharmacological Sciences.2002,23(12):551.