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 H, Chen W, Yuan F, Guo Q, Zhang X, Wang C, Li X.Chen H, et al. Among authors: li x.Front Pharmacol. 2022 Jan 24;13:821944. doi: 10.3389/fphar.2022.821944. eCollection 2022.Front Pharmacol. 2022.PMID: 35140619Free PMC article.
Xu HR, Li XN, Chen WL, Liu GY, Chu NN, Yu C.Xu HR, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Apr 1;848(2):329-34. doi: 10.1016/j.jchromb.2006.10.053. Epub 2006 Nov 27.J Chromatogr B Analyt Technol Biomed Life Sci. 2007.PMID: 17126086
Li XN, Xu HR, Chen WL, Liu GY, Chu NN, Yu C.Li XN, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Jun 15;853(1-2):47-53. doi: 10.1016/j.jchromb.2007.02.049. Epub 2007 Mar 14.J Chromatogr B Analyt Technol Biomed Life Sci. 2007.PMID: 17409033
Chu NN, Chen WL, Xu HR, Li XN.Chu NN, et al.Clin Drug Investig. 2009;29(7):451-457. doi: 10.2165/00044011-200929070-00003.Clin Drug Investig. 2009.PMID: 19499962
Zhang XL, Xu HR, Chen WL, Chu NN, Li XN, Liu GY, Yu C.Zhang XL, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Oct 1;877(27):3253-6. doi: 10.1016/j.jchromb.2009.08.026. Epub 2009 Aug 21.J Chromatogr B Analyt Technol Biomed Life Sci. 2009.PMID: 19726245
Chu N, Xu H, Wang G, Wang J, Chen W, Yuan F, Yang M, Li X.Chu N, et al. Among authors: li x.Clin Ther. 2015 Feb 1;37(2):462-72. doi: 10.1016/j.clinthera.2014.10.021. Epub 2014 Nov 20.Clin Ther. 2015.PMID: 25465944Clinical Trial.