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Quartana PJ, Wilk JE, Thomas JL, Bray RM, Rae Olmsted KL, Brown JM, Williams J, Kim PY, Clarke-Walper K, Hoge CW.Quartana PJ, et al.Am J Public Health. 2014 Sep;104(9):1671-9. doi: 10.2105/AJPH.2014.301971. Epub 2014 Jul 17.Am J Public Health. 2014.PMID: 25033143Free PMC article.