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Kamel F, Umbach DM, Lehman TA, Park LP, Munsat TL, Shefner JM, Sandler DP, Hu H, Taylor JA.Kamel F, et al. Among authors: umbach dm.Environ Health Perspect. 2003 Aug;111(10):1335-9. doi: 10.1289/ehp.6109.Environ Health Perspect. 2003.PMID: 12896855Free PMC article.