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Li CY, Sung FC, Chen FL, Lee PC, Silva M, Mezei G.Li CY, et al. Among authors: chen fl.Sci Total Environ. 2007 Apr 15;376(1-3):151-9. doi: 10.1016/j.scitotenv.2007.01.058. Epub 2007 Feb 20.Sci Total Environ. 2007.PMID: 17316772
Huang HL, Yen YY, Lin PL, Chiu CH, Hsu CC, Chen T, Hu CY, Lin YY, Lee CH, Chen FL.Huang HL, et al. Among authors: chen t, chen fl.BMC Public Health. 2012 Jan 17;12:40. doi: 10.1186/1471-2458-12-40.BMC Public Health. 2012.PMID: 22251625Free PMC article.