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.
Ronnenberg AG, Venners SA, Xu X, Chen C, Wang L, Guang W, Huang A, Wang X.Ronnenberg AG, et al. Among authors: xu x.Am J Epidemiol. 2007 Aug 1;166(3):304-12. doi: 10.1093/aje/kwm078. Epub 2007 May 2.Am J Epidemiol. 2007.PMID: 17478435
Hu YA, Smith TJ, Xu X, Wang L, Watanabe H, Christiani DC.Hu YA, et al. Among authors: xu x.Am J Ind Med. 2002 Jun;41(6):483-9. doi: 10.1002/ajim.10069.Am J Ind Med. 2002.PMID: 12173373
Ha E, Cho SI, Park H, Chen D, Chen C, Wang L, Xu X, Christiani DC.Ha E, et al. Among authors: xu x.J Occup Environ Med. 2002 Sep;44(9):815-21. doi: 10.1097/00043764-200209000-00003.J Occup Environ Med. 2002.PMID: 12227673
Venners SA, Wang B, Xu Z, Schlatter Y, Wang L, Xu X.Venners SA, et al. Among authors: xu x, xu z.Environ Health Perspect. 2003 Apr;111(4):562-7. doi: 10.1289/ehp.5664.Environ Health Perspect. 2003.PMID: 12676616Free PMC article.
Li P, Fang Z, Pan X, Wang L, Xu X.Li P, et al. Among authors: xu x.Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2002 Oct;20(5):369-71.Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2002.PMID: 14694729Chinese.