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Shaffer ER, Waitzkin H, Brenner J, Jasso-Aguilar R.Shaffer ER, et al.Am J Public Health. 2005 Jan;95(1):23-34. doi: 10.2105/AJPH.2004.038091.Am J Public Health. 2005.PMID: 15623854Free PMC article.
Shaffer ER, Brenner JE.Shaffer ER, et al. Among authors: brenner je.Int J Health Serv. 2004;34(3):467-81. doi: 10.2190/FB79-G25U-DWGK-C3QK.Int J Health Serv. 2004.PMID: 15346681
Shaffer ER, Brenner JE.Shaffer ER, et al. Among authors: brenner je.Health Aff (Millwood). 2009 Sep-Oct;28(5):w957-68. doi: 10.1377/hlthaff.28.5.w957. Epub 2009 Aug 25.Health Aff (Millwood). 2009.PMID: 19706626
Shaffer ER, Brenner JE.Shaffer ER, et al. Among authors: brenner je.Am J Public Health. 2014 Dec;104(12):e4. doi: 10.2105/AJPH.2014.302266. Epub 2014 Oct 16.Am J Public Health. 2014.PMID: 25320879Free PMC article.No abstract available.