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Parra-Medina D, Wilcox S, Salinas J, Addy C, Fore E, Poston M, Wilson DK.Parra-Medina D, et al. Among authors: wilcox s.Am J Public Health. 2011 Oct;101(10):1914-21. doi: 10.2105/AJPH.2011.300151. Epub 2011 Aug 18.Am J Public Health. 2011.PMID: 21852629Free PMC article.Clinical Trial.