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Mortality among methadone maintenance clients in China: a six-year cohort study.
Cao X, Wu Z, Li L, Pang L, Rou K, Wang C, Luo W, Yin W, Li J, McGoogan JM; National Methadone Maintenance Treatment Program Working Group. Cao X, et al. PLoS One. 2013 Dec 12;8(12):e82476. doi: 10.1371/journal.pone.0082476. eCollection 2013. PLoS One. 2013. PMID: 24349294 Free PMC article.