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Friedman SR, Mateu-Gelabert P, Sandoval M, Hagan H, Des Jarlais DC.Friedman SR, et al.BMC Public Health. 2008 Mar 20;8:94. doi: 10.1186/1471-2458-8-94.BMC Public Health. 2008.PMID: 18366699Free PMC article.
Friedman SR, Stepherson B, Woods J, Des Jarlais DC, Ward TP.Friedman SR, et al.J Health Care Poor Underserved. 1992 Summer;3(1):73-89; discussion 90-2.J Health Care Poor Underserved. 1992.PMID: 1391390Review.No abstract available.