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Emery S, Kim Y, Choi YK, Szczypka G, Wakefield M, Chaloupka FJ.Emery S, et al.Am J Public Health. 2012 Apr;102(4):751-7. doi: 10.2105/AJPH.2011.300443. Epub 2012 Feb 16.Am J Public Health. 2012.PMID: 22397350Free PMC article.
Kim Y, Choi YK, Emery S.Kim Y, et al.Am Stat. 2013 Aug 1;67(3):10.1080/00031305.2013.817357. doi: 10.1080/00031305.2013.817357.Am Stat. 2013.PMID: 24288415Free PMC article.
Kim HS, Lee S, Cappella JN, Vera L, Emery S.Kim HS, et al.J Natl Cancer Inst Monogr. 2013 Dec;2013(47):182-7. doi: 10.1093/jncimonographs/lgt018.J Natl Cancer Inst Monogr. 2013.PMID: 24395989Free PMC article.