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.
Liu C, Wang D, Liu C, Jiang J, Wang X, Chen H, Ju X, Zhang X.Liu C, et al.Fam Med Community Health. 2020 May;8(2):e000351. doi: 10.1136/fmch-2020-000351.Fam Med Community Health. 2020.PMID: 32414834Free PMC article.
Wang D, Lai X, Liu C, Xiong Y, Zhang X.Wang D, et al. Among authors: liu c.Nutr J. 2015 Oct 6;14:103. doi: 10.1186/s12937-015-0094-0.Nutr J. 2015.PMID: 26443996Free PMC article.
Liu J, Wang L, Liu C, Zhang X.Liu J, et al. Among authors: liu c.Expert Rev Pharmacoecon Outcomes Res. 2017 Dec;17(6):625-631. doi: 10.1080/14737167.2017.1330151. Epub 2017 May 18.Expert Rev Pharmacoecon Outcomes Res. 2017.PMID: 28503962
Tang Y, Liu C, Zhang X.Tang Y, et al. Among authors: liu c.Prim Health Care Res Dev. 2017 Sep;18(5):482-491. doi: 10.1017/S1463423617000329. Epub 2017 Jun 13.Prim Health Care Res Dev. 2017.PMID: 28606190Clinical Trial.
Liu C, Zhang X, Liu C, Ewen M, Zhang Z, Liu G.Liu C, et al. Among authors: liu g.BMC Health Serv Res. 2017 Aug 24;17(1):597. doi: 10.1186/s12913-017-2553-0.BMC Health Serv Res. 2017.PMID: 28836974Free PMC article.
Wang X, Du X, Liu C, Zhang X.Wang X, et al. Among authors: liu c.Aust Health Rev. 2018 Dec;42(6):650-655. doi: 10.1071/AH16190.Aust Health Rev. 2018.PMID: 29566359