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.
Chang YX, Ding XP, Qi J, Cao J, Kang LY, Zhu DN, Zhang BL, Yu BY.Chang YX, et al.J Chromatogr A. 2008 Oct 24;1208(1-2):76-82. doi: 10.1016/j.chroma.2008.08.054. Epub 2008 Aug 20.J Chromatogr A. 2008.PMID: 18774137
Cao J, Yi L, Li P, Chang YX.Cao J, et al. Among authors: chang yx.J Chromatogr A. 2009 Jul 17;1216(29):5608-13. doi: 10.1016/j.chroma.2009.05.060. Epub 2009 Jun 3.J Chromatogr A. 2009.PMID: 19524933
Zhang QH, Wang WB, Li J, Chang YX, Wang YF, Zhang J, Zhang BL, Gao XM.Zhang QH, et al. Among authors: chang yx.J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Jan 1;880(1):168-71. doi: 10.1016/j.jchromb.2011.11.021. Epub 2011 Nov 20.J Chromatogr B Analyt Technol Biomed Life Sci. 2012.PMID: 22153330
Ge AH, Bai Y, Li J, Liu J, He J, Liu EW, Zhang P, Zhang BL, Gao XM, Chang YX.Ge AH, et al. Among authors: chang yx.J Pharm Biomed Anal. 2014 Nov;100:79-87. doi: 10.1016/j.jpba.2014.07.025. Epub 2014 Aug 1.J Pharm Biomed Anal. 2014.PMID: 25137652
Bai Y, Li J, Liu W, Jiao XC, He J, Liu J, Ma L, Gao XM, Chang YX.Bai Y, et al. Among authors: chang yx.J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Jul 1;993-994:36-46. doi: 10.1016/j.jchromb.2015.04.041. Epub 2015 May 7.J Chromatogr B Analyt Technol Biomed Life Sci. 2015.PMID: 25984964