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Qu W, Tokar EJ, Kim AJ, Bell MW, Waalkes MP.Qu W, et al.Environ Health Perspect. 2012 Sep;120(9):1265-71. doi: 10.1289/ehp.1205082. Epub 2012 May 24.Environ Health Perspect. 2012.PMID: 22626610Free PMC article.