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.
Ni LF, Liu XM.Ni LF, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2014 Oct 18;46(5):707-10.Beijing Da Xue Xue Bao Yi Xue Ban. 2014.PMID: 25331391Free article.Chinese.
Chen XY, Wang B, Tan W, Xiong H, Li XQ, Gao YS, Tian YN, Liu XM.Chen XY, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2005 Aug 18;37(4):398-401.Beijing Da Xue Xue Bao Yi Xue Ban. 2005.PMID: 16086061Free article.Chinese.
Yang YM, Sun TY, Liu XM.Yang YM, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2005 Dec 18;37(6):625-8.Beijing Da Xue Xue Bao Yi Xue Ban. 2005.PMID: 16378116Free article.Chinese.
Li H, Liu XM, Geng B, Pan CS, Qi YF, Wu SY, Tang CS.Li H, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2006 Apr 18;38(2):140-5.Beijing Da Xue Xue Bao Yi Xue Ban. 2006.PMID: 16617354Free article.Chinese.
Zhang ZG, He QY, Liu XM, Tang XY, Chen LZ.Zhang ZG, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2006 Jun 18;38(3):305-9.Beijing Da Xue Xue Bao Yi Xue Ban. 2006.PMID: 16778978Free article.Chinese.
Yu XM, Liu XM, Qi YF, Zhang J, Tang CS.Yu XM, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2006 Oct 18;38(5):496-500.Beijing Da Xue Xue Bao Yi Xue Ban. 2006.PMID: 17068622Free article.Chinese.
Zhao ZJ, Liu XM, Zhou GP.Zhao ZJ, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2008 Feb 18;40(1):101-4.Beijing Da Xue Xue Bao Yi Xue Ban. 2008.PMID: 18278151Free article.Chinese.
Hu Y, An Y, Huang H, Hao HJ, Su L, Wang YD, Liu XM, Li HC.Hu Y, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2008 Jun 18;40(3):306-9.Beijing Da Xue Xue Bao Yi Xue Ban. 2008.PMID: 18560460Free article.Chinese.
Ni LF, Zhang ZG, Bu DF, Liu XM.Ni LF, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2008 Oct 18;40(5):514-8.Beijing Da Xue Xue Bao Yi Xue Ban. 2008.PMID: 18931716Free article.Chinese.
Lin Q, Ni LF, Ren YL, Liu XM.Lin Q, et al. Among authors: liu xm.Beijing Da Xue Xue Bao Yi Xue Ban. 2009 Oct 18;41(5):545-7.Beijing Da Xue Xue Bao Yi Xue Ban. 2009.PMID: 19829671Free article.Chinese.