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.
Aini N, Chu H, Banda KJ, Chen R, Lee TY, Pien LC, Liu D, Lai YJ, Kang XL, Chou KR.Aini N, et al. Among authors: chu h.Sleep Med. 2023 Mar;103:51-61. doi: 10.1016/j.sleep.2023.01.020. Epub 2023 Jan 30.Sleep Med. 2023.PMID: 36758347
Chung MH, Kuo TB, Hsu N, Chu H, Chou KR, Yang CC.Chung MH, et al. Among authors: chu h.Scand J Work Environ Health. 2009 May;35(3):180-7. doi: 10.5271/sjweh.1324. Epub 2009 May 8.Scand J Work Environ Health. 2009.PMID: 19430710Free article.