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German D, Sherman SG, Latkin CA, Sirirojn B, Thomson N, Sutcliffe CG, Aramrattana A, Celentano DD.German D, et al. Among authors: sherman sg.Int J Drug Policy. 2008 Apr;19(2):122-9. doi: 10.1016/j.drugpo.2007.11.010. Epub 2008 Jan 11.Int J Drug Policy. 2008.PMID: 18191393Free PMC article.