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Leukefeld CG, Godlaski TM, Hays LR, Clark J.Leukefeld CG, et al. Among authors: godlaski tm.Subst Use Misuse. 1999 Mar-Apr;34(4-5):747-62. doi: 10.3109/10826089909037241.Subst Use Misuse. 1999.PMID: 10210103