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.
Hsieh HF, Liu Y, Hsu HT, Ma SC, Wang HH, Ko CH.Hsieh HF, et al. Among authors: ko ch.Int J Environ Res Public Health. 2021 Jul 8;18(14):7327. doi: 10.3390/ijerph18147327.Int J Environ Res Public Health. 2021.PMID: 34299778Free PMC article.
Yen JY, Lin HC, Chou WP, Liu TL, Ko CH.Yen JY, et al. Among authors: ko ch.Int J Environ Res Public Health. 2019 Aug 31;16(17):3181. doi: 10.3390/ijerph16173181.Int J Environ Res Public Health. 2019.PMID: 31480445Free PMC article.
Hsieh HF, Hsu HT, Lin PC, Yang YJ, Huang YT, Ko CH, Wang HH.Hsieh HF, et al. Among authors: ko ch.Int J Environ Res Public Health. 2020 Mar 30;17(7):2313. doi: 10.3390/ijerph17072313.Int J Environ Res Public Health. 2020.PMID: 32235441Free PMC article.
Lin PC, Yen JY, Lin HC, Chou WP, Liu TL, Ko CH.Lin PC, et al. Among authors: ko ch.Int J Environ Res Public Health. 2021 Feb 11;18(4):1771. doi: 10.3390/ijerph18041771.Int J Environ Res Public Health. 2021.PMID: 33670343Free PMC article.
Yen JY, Chou WP, Lin HC, Wu HC, Tsai WX, Ko CH.Yen JY, et al. Among authors: ko ch.Int J Environ Res Public Health. 2021 Jun 27;18(13):6910. doi: 10.3390/ijerph18136910.Int J Environ Res Public Health. 2021.PMID: 34199135Free PMC article.
Lin PC, Ko CH, Lin YJ, Yen JY.Lin PC, et al. Among authors: ko ch.Int J Environ Res Public Health. 2021 Jun 8;18(12):6192. doi: 10.3390/ijerph18126192.Int J Environ Res Public Health. 2021.PMID: 34201084Free PMC article.
Chen CY, Liang TY, Ko CH, Hsieh HF.Chen CY, et al. Among authors: ko ch.Kaohsiung J Med Sci. 2023 Jan;39(1):95-96. doi: 10.1002/kjm2.12637. Epub 2022 Dec 19.Kaohsiung J Med Sci. 2023.PMID: 36533567Free article.No abstract available.
Yen JY, Ko CH, Yen CF, Wu HY, Yang MJ.Yen JY, et al. Among authors: ko ch.J Adolesc Health. 2007 Jul;41(1):93-8. doi: 10.1016/j.jadohealth.2007.02.002. Epub 2007 Apr 12.J Adolesc Health. 2007.PMID: 17577539
Yen JY, Ko CH, Yen CF, Chen SH, Chung WL, Chen CC.Yen JY, et al. Among authors: ko ch.Psychiatry Clin Neurosci. 2008 Feb;62(1):9-16. doi: 10.1111/j.1440-1819.2007.01770.x.Psychiatry Clin Neurosci. 2008.PMID: 18289136Free article.
Yen CF, Ko CH, Yen JY, Cheng CP.Yen CF, et al. Among authors: ko ch.Sleep. 2008 Nov;31(11):1515-25. doi: 10.1093/sleep/31.11.1515.Sleep. 2008.PMID: 19014071Free PMC article.