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 LH, Zhang G, Dang XW, Li L.Li LH, et al. Among authors: dang xw.Zhonghua Wai Ke Za Zhi. 2020 Jun 1;58(6):401-403. doi: 10.3760/cma.j.cn112139-20200221-00109.Zhonghua Wai Ke Za Zhi. 2020.PMID: 32108459Chinese.
Ge PL, Li SF, Wang WW, Li CB, Fu YB, Feng ZK, Li L, Zhang G, Gao ZQ, Dang XW, Wu Y.Ge PL, et al. Among authors: dang xw.Aging (Albany NY). 2020 Mar 25;12(6):5479-5499. doi: 10.18632/aging.102971. Epub 2020 Mar 25.Aging (Albany NY). 2020.PMID: 32213661Free PMC article.