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.
Zhang Z, Yu G, Zhao X, Liu H, Guan H, Lawson AM, Chai W.Zhang Z, et al. Among authors: zhao x.J Am Soc Mass Spectrom. 2006 Apr;17(4):621-630. doi: 10.1016/j.jasms.2006.01.002. Epub 2006 Feb 28.J Am Soc Mass Spectrom. 2006.PMID: 16503152Free article.
Wang H, Yu GL, Zhao X, Hao C, Li GS, Wang PP.Wang H, et al. Among authors: zhao x.Guang Pu Xue Yu Guang Pu Fen Xi. 2010 Sep;30(9):2484-7.Guang Pu Xue Yu Guang Pu Fen Xi. 2010.PMID: 21105423Chinese.