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 XX, Zhang S, Ma Y, Sun AP, Zhang YS, Fan DS.Liu XX, et al. Among authors: zhang ys, zhang s.Beijing Da Xue Xue Bao Yi Xue Ban. 2023 Feb 18;55(1):160-166. doi: 10.19723/j.issn.1671-167X.2023.01.025.Beijing Da Xue Xue Bao Yi Xue Ban. 2023.PMID: 36718706Free PMC article.Chinese.
Liu HH, Li S, Zhang Y, Zhang M, Zhang HW, Qian J, Dou KF, Li JJ.Liu HH, et al. Among authors: zhang m, zhang hw, zhang y.Eur Geriatr Med. 2024 Feb;15(1):169-178. doi: 10.1007/s41999-023-00899-3. Epub 2023 Dec 16.Eur Geriatr Med. 2024.PMID: 38103145
Wang G, He S, Yu M, Zhang Y, Mu D, Wang D.Wang G, et al. Among authors: zhang y.Chin Med J (Engl). 2023 Oct 5;136(19):2330-2339. doi: 10.1097/CM9.0000000000002375.Chin Med J (Engl). 2023.PMID: 36939236Free PMC article.