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Methadone patients in the therapeutic community: a test of equivalency.
Sorensen JL, Andrews S, Delucchi KL, Greenberg B, Guydish J, Masson CL, Shopshire M. Sorensen JL, et al. Drug Alcohol Depend. 2009 Feb 1;100(1-2):100-6. doi: 10.1016/j.drugalcdep.2008.09.009. Epub 2008 Nov 14. Drug Alcohol Depend. 2009. PMID: 19013724 Free PMC article.