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.
Wu Z, Zhao P, Peng J, Fang L, Ding J, Yan G, Wang Y, Zhu J, Wang D, Li Y, Chen Z, Zhang Q, Deng Q, Duan G, Zuo Z, Li H.Wu Z, et al.Front Med (Lausanne). 2021 May 27;8:679159. doi: 10.3389/fmed.2021.679159. eCollection 2021.Front Med (Lausanne). 2021.PMID: 34124111Free PMC article.
Yang C, Kang F, Meng W, Dong M, Huang X, Wang S, Zuo Z, Li J.Yang C, et al.Clin Interv Aging. 2021 Jan 15;16:129-137. doi: 10.2147/CIA.S291656. eCollection 2021.Clin Interv Aging. 2021.PMID: 33488069Free PMC article.Clinical Trial.