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Kanaya AM, Santoyo-Olsson J, Gregorich S, Grossman M, Moore T, Stewart AL.Kanaya AM, et al.Am J Public Health. 2012 Aug;102(8):1551-8. doi: 10.2105/AJPH.2011.300456. Epub 2012 Jun 14.Am J Public Health. 2012.PMID: 22698027Free PMC article.Clinical Trial.