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Kinlin LM, Spain CV, Ng V, Johnson CC, White AN, Fisman DN.Kinlin LM, et al. Among authors: fisman dn.Am J Epidemiol. 2009 Mar 1;169(5):588-95. doi: 10.1093/aje/kwn383. Epub 2009 Jan 22.Am J Epidemiol. 2009.PMID: 19164421Free PMC article.
Fisman DN, Tuite AR, Brown KA.Fisman DN, et al.Proc Natl Acad Sci U S A. 2016 Dec 20;113(51):14589-14594. doi: 10.1073/pnas.1604980113. Epub 2016 Oct 24.Proc Natl Acad Sci U S A. 2016.PMID: 27791069Free PMC article.