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.
Li W, Cao S, Zhu R, Chen X.Li W, et al. Among authors: chen x.J Int Med Res. 2021 Jun;49(6):3000605211010649. doi: 10.1177/03000605211010649.J Int Med Res. 2021.PMID: 34187208Free PMC article.Review.
Zhang Z, Chen X, Li C, Feng H, Yu H, Zhu R, Cai Z.Zhang Z, et al. Among authors: chen x.Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2015 Jun;29(6):756-60.Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2015.PMID: 26466482Clinical Trial.Chinese.
Feng H, Chen X, Li C, Zhang Z, Zhu R, Guo X, Liu M.Feng H, et al. Among authors: chen x.J Int Med Res. 2019 Sep;47(9):4580-4584. doi: 10.1177/0300060519869453. Epub 2019 Aug 26.J Int Med Res. 2019.PMID: 31448661Free PMC article.
Zhang ZW, Chen XM, Zhu RM, Li CY, Yu HZ, Zhang ZT.Zhang ZW, et al.J Int Med Res. 2020 Sep;48(9):300060520959990. doi: 10.1177/0300060520959990.J Int Med Res. 2020.PMID: 32972282Free PMC article.