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.
Jing X, Xu L, Qin W, Zhang J, Lu L, Wang Y, Xia Y, Jiao A, Li Y.Jing X, et al. Among authors: xu l.Int J Environ Res Public Health. 2020 Jan 6;17(1):369. doi: 10.3390/ijerph17010369.Int J Environ Res Public Health. 2020.PMID: 31935834Free PMC article.
Shi L, Liu J, Xu L.Shi L, et al. Among authors: xu l.Health Policy. 2010 Apr;95(1):57-61. doi: 10.1016/j.healthpol.2009.10.004. Epub 2009 Nov 26.Health Policy. 2010.PMID: 19944474
Liu J, Shi L, Khan M, Xu L, Wang L.Liu J, et al. Among authors: xu l.Int J Public Health. 2012 Feb;57(1):193-8. doi: 10.1007/s00038-011-0251-y. Epub 2011 Apr 19.Int J Public Health. 2012.PMID: 21503770
Zhao X, Yang P, Gai R, Mei L, Wang X, Xu L.Zhao X, et al. Among authors: xu l.Eur J Public Health. 2014 Oct;24(5):757-61. doi: 10.1093/eurpub/ckt113. Epub 2013 Aug 23.Eur J Public Health. 2014.PMID: 23975893
Zhong S, Hou XY, Clark M, Zang YL, Wang L, Xu LZ, FitzGerald G.Zhong S, et al. Among authors: xu lz.BMC Health Serv Res. 2014 Mar 25;14:135. doi: 10.1186/1472-6963-14-135.BMC Health Serv Res. 2014.PMID: 24661641Free PMC article.
Mo X, Xu L, Luo H, Wang X, Zhang F, Gai Tobe R.Mo X, et al. Among authors: xu l.Eur J Public Health. 2016 Feb;26(1):18-23. doi: 10.1093/eurpub/ckv181. Epub 2015 Nov 4.Eur J Public Health. 2016.PMID: 26538550
Xu M, Markström U, Lyu J, Xu L.Xu M, et al. Among authors: xu l.Int J Environ Res Public Health. 2017 Mar 1;14(3):248. doi: 10.3390/ijerph14030248.Int J Environ Res Public Health. 2017.PMID: 28257075Free PMC article.
Li J, Shi L, Li S, Xu L, Qin W, Wang H.Li J, et al. Among authors: xu l.Int J Equity Health. 2017 Mar 14;16(1):50. doi: 10.1186/s12939-017-0545-7.Int J Equity Health. 2017.PMID: 28288635Free PMC article.