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Kontos EZ, Emmons KM, Puleo E, Viswanath K.Kontos EZ, et al.Am J Public Health. 2012 Oct;102(10):1911-20. doi: 10.2105/AJPH.2011.300435. Epub 2012 Feb 16.Am J Public Health. 2012.PMID: 22970692Free PMC article.
Greaney ML, Puleo E, Geller AC, Hu SW, Werchniak AE, DeCristofaro S, Emmons KM.Greaney ML, et al.Int J Environ Res Public Health. 2012 May;9(5):1836-45. doi: 10.3390/ijerph9051836. Epub 2012 May 10.Int J Environ Res Public Health. 2012.PMID: 22754476Free PMC article.Clinical Trial.