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.
Mao HF, Chang LH, Tsai AY, Huang WW, Tang LY, Lee HJ, Sun Y, Chen TF, Lin KN, Wang PN, Shyu YL, Chiu MJ.Mao HF, et al. Among authors: chang lh.Age Ageing. 2018 Jul 1;47(4):551-557. doi: 10.1093/ageing/afy021.Age Ageing. 2018.PMID: 29528375
Chiang KY, Fan SY, Chang LH, Chang WY, Pai MC, Wang JJ.Chiang KY, et al. Among authors: chang wy, chang lh.Hu Li Za Zhi. 2020 Aug;67(4):39-49. doi: 10.6224/JN.202008_67(4).06.Hu Li Za Zhi. 2020.PMID: 32748378Chinese.