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Chen CY, Chen WC, Lew-Ting CY, Lee CM, Yen CF, Chen DR, Hsiao CK, Lin CC, Yang MJ, Lai TJ, Chen WJ.Chen CY, et al.Drug Alcohol Depend. 2006 Oct 1;84(3):273-80. doi: 10.1016/j.drugalcdep.2006.03.003. Epub 2006 Apr 5.Drug Alcohol Depend. 2006.PMID: 16600528