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Pentz MA, Spruijt-Metz D, Chou CP, Riggs NR.Pentz MA, et al. Among authors: chou cp.Int J Environ Res Public Health. 2011 Dec;8(12):4406-24. doi: 10.3390/ijerph8124406. Epub 2011 Nov 29.Int J Environ Res Public Health. 2011.PMID: 22408581Free PMC article.Clinical Trial.