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McCoy CB, Comerford M, Metsch LR.McCoy CB, et al.Subst Use Misuse. 2007;42(7):1055-67. doi: 10.1080/10826080701409982.Subst Use Misuse. 2007.PMID: 17668325
Weatherby NL, McCoy HV, Metsch LR, Bletzer KV, McCoy CB, de la Rosa MR.Weatherby NL, et al. Among authors: mccoy cb, mccoy hv.Subst Use Misuse. 1999 Mar-Apr;34(4-5):685-706. doi: 10.3109/10826089909037238.Subst Use Misuse. 1999.PMID: 10210100