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Bayne-Smith M, Fardy PS, Azzollini A, Magel J, Schmitz KH, Agin D.Bayne-Smith M, et al. Among authors: schmitz kh.Am J Public Health. 2004 Sep;94(9):1538-43. doi: 10.2105/ajph.94.9.1538.Am J Public Health. 2004.PMID: 15333311Free PMC article.Clinical Trial.