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.
Lin CH, Chen KH, Chen CM, Chang CH, Huang TJ, Lin CH.Lin CH, et al. Among authors: chang ch.PeerJ. 2018 Jan 12;6:e4232. doi: 10.7717/peerj.4232. eCollection 2018.PeerJ. 2018.PMID: 29340241Free PMC article.
Chiu SY, Chang CH, Fu CH, Chen MY.Chiu SY, et al. Among authors: chang ch.Hu Li Za Zhi. 2020 Oct;67(5):44-55. doi: 10.6224/JN.202010_67(5).07.Hu Li Za Zhi. 2020.PMID: 32978765Chinese.
Chen CM, Hsu HC, Tsai WS, Chang CH, Chen KH, Hong CZ.Chen CM, et al. Among authors: chang ch.Am J Phys Med Rehabil. 2012 Mar;91(3):211-9. doi: 10.1097/PHM.0b013e31824661a9.Am J Phys Med Rehabil. 2012.PMID: 22317932