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.
Chen XW, Fan SH, Wang SL.Chen XW, et al.Guang Pu Xue Yu Guang Pu Fen Xi. 2005 May;25(5):761-4.Guang Pu Xue Yu Guang Pu Fen Xi. 2005.PMID: 16128083Chinese.
Du Z, Yu YL, Chen XW, Wang JH.Du Z, et al. Among authors: chen xw.Chemistry. 2007;13(34):9679-85. doi: 10.1002/chem.200700784.Chemistry. 2007.PMID: 17853518
Cheng DH, Chen XW, Shu Y, Wang JH.Cheng DH, et al. Among authors: chen xw.Talanta. 2008 Jun 15;75(5):1270-8. doi: 10.1016/j.talanta.2008.01.044. Epub 2008 Feb 1.Talanta. 2008.PMID: 18585212