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.
Wu Q, Yao HD, Tan SR, Zhang ZW, Zhu YH, Xu S.Wu Q, et al. Among authors: xu s.Biol Trace Elem Res. 2014 Nov;161(2):167-72. doi: 10.1007/s12011-014-0092-7. Epub 2014 Aug 16.Biol Trace Elem Res. 2014.PMID: 25123462
Li JL, Li HX, Li S, Jiang ZH, Xu SW, Tang ZX.Li JL, et al. Among authors: xu sw.Biometals. 2011 Apr;24(2):291-9. doi: 10.1007/s10534-010-9395-0. Epub 2010 Dec 18.Biometals. 2011.PMID: 21170571
Wang JT, Zhang XJ, Xu SW.Wang JT, et al.Zhongguo Ying Yong Sheng Li Xue Za Zhi. 2009 May;25(2):172-6.Zhongguo Ying Yong Sheng Li Xue Za Zhi. 2009.PMID: 21189543Chinese.