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Ober A, Shoptaw S, Wang PC, Gorbach P, Weiss RE.Ober A, et al. Among authors: shoptaw s.Drug Alcohol Depend. 2009 Jun 1;102(1-3):123-9. doi: 10.1016/j.drugalcdep.2009.02.002. Epub 2009 Mar 26.Drug Alcohol Depend. 2009.PMID: 19327917Free PMC article.
Nyamathi A, Dixon EL, Shoptaw S, Marfisee M, Gelberg L, Williams S, Dominick S, Leake B.Nyamathi A, et al. Among authors: shoptaw s.Drug Alcohol Depend. 2008 Jan 1;92(1-3):277-81. doi: 10.1016/j.drugalcdep.2007.06.015. Epub 2007 Aug 6.Drug Alcohol Depend. 2008.PMID: 17681434Free PMC article.
Shoptaw S, Heinzerling KG, Rotheram-Fuller E, Steward T, Wang J, Swanson AN, De La Garza R, Newton T, Ling W.Shoptaw S, et al.Drug Alcohol Depend. 2008 Aug 1;96(3):222-32. doi: 10.1016/j.drugalcdep.2008.03.010. Epub 2008 May 12.Drug Alcohol Depend. 2008.PMID: 18468815Free PMC article.Clinical Trial.