An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Liu AL, Lu WQ, Wang ZZ, Chen WH, Lu WH, Yuan J, Nan PH, Sun JY, Zou YL, Zhou LH, Zhang C, Wu TC.Liu AL, et al.Environ Health Perspect. 2006 May;114(5):673-7. doi: 10.1289/ehp.8562.Environ Health Perspect. 2006.PMID: 16675419Free PMC article.
Lu WQ, Chen D, Wu XJ, Liu AL, Liu H, Wu JJ, Mersch-Sundermann V.Lu WQ, et al. Among authors: liu h, liu al.Toxicology. 2004 May 20;198(1-3):351-7. doi: 10.1016/j.tox.2004.02.011.Toxicology. 2004.PMID: 15138061
Liu AL, Li ST, Li F, Zhong X, Yuan J, Lu WQ.Liu AL, et al.Zhonghua Yu Fang Yi Xue Za Zhi. 2005 May;39(3):168-70.Zhonghua Yu Fang Yi Xue Za Zhi. 2005.PMID: 15938846Chinese.
Liu AL, Zou YL, Lu WH, Wang ZZ, Lu WQ.Liu AL, et al.Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2005 Oct;23(5):343-6.Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2005.PMID: 16266509Chinese.
Wang H, Yang XB, Liu AL, Zhen HY, Guo L, Liang HS, Bi YY, Bai Y, Chen YW, Wu TC.Wang H, et al. Among authors: liu al.Biomed Environ Sci. 2007 Jun;20(3):179-83.Biomed Environ Sci. 2007.PMID: 17672206