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Chuang KJ, Chan CC, Su TC, Lin LY, Lee CT.Chuang KJ, et al.J Occup Environ Med. 2007 Jun;49(6):610-7. doi: 10.1097/JOM.0b013e318058205b.J Occup Environ Med. 2007.PMID: 17563603Clinical Trial.
Tsai DH, Wang JL, Chuang KJ, Chan CC.Tsai DH, et al. Among authors: chuang kj.Sci Total Environ. 2010 Mar 15;408(8):1818-23. doi: 10.1016/j.scitotenv.2010.01.044. Epub 2010 Feb 16.Sci Total Environ. 2010.PMID: 20163830