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Bouris A, Guilamo-Ramos V, Cherry K, Dittus P, Michael S, Gloppen K.Bouris A, et al.Am J Public Health. 2012 Oct;102(10):1842-7. doi: 10.2105/AJPH.2011.300578. Epub 2012 Aug 16.Am J Public Health. 2012.PMID: 22897524Free PMC article.