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Yan DM, Chang YX, Wang YF, Liu EW, Li J, Kang LY, Gao XM.Yan DM, et al. Among authors: chang yx.J Ethnopharmacol. 2010 Apr 21;128(3):697-702. doi: 10.1016/j.jep.2009.12.039. Epub 2010 Jan 4.J Ethnopharmacol. 2010.PMID: 20051255
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
Zhu ZW, Li J, Gao XM, Amponsem E, Kang LY, Hu LM, Zhang BL, Chang YX.Zhu ZW, et al. Among authors: chang yx.J Pharm Biomed Anal. 2012 Mar 25;62:162-6. doi: 10.1016/j.jpba.2011.11.002. Epub 2011 Nov 12.J Pharm Biomed Anal. 2012.PMID: 22296653
Chang YX, Sun YG, Li J, Zhang QH, Guo XR, Zhang BL, Jin H, Gao XM.Chang YX, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Dec 12;911:71-5. doi: 10.1016/j.jchromb.2012.10.024. Epub 2012 Nov 3.J Chromatogr B Analyt Technol Biomed Life Sci. 2012.PMID: 23217309
Luo Q, Wang CP, Li J, Ma WF, Bai Y, Ma L, Gao XM, Zhang BL, Chang YX.Luo Q, et al. Among authors: chang yx.J Ethnopharmacol. 2013 Oct 28;150(1):175-80. doi: 10.1016/j.jep.2013.08.030. Epub 2013 Aug 28.J Ethnopharmacol. 2013.PMID: 23994338