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Carter PM, Flannagan CA, Bingham CR, Cunningham RM, Rupp JD.Carter PM, et al. Among authors: flannagan ca.Am J Public Health. 2015 May;105(5):1028-35. doi: 10.2105/AJPH.2014.302445. Epub 2015 Mar 19.Am J Public Health. 2015.PMID: 25790385Free PMC article.