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.
Chen PY, Chen CW, Su YJ, Chang WH, Kao WF, Yang CC, Wang IJ.Chen PY, et al. Among authors: chen cw.Int J Environ Res Public Health. 2020 Nov 6;17(21):8207. doi: 10.3390/ijerph17218207.Int J Environ Res Public Health. 2020.PMID: 33172083Free PMC article.
Chen PY, Chen CW, Su YJ.Chen PY, et al. Among authors: chen cw.Med Int (Lond). 2022 Oct 11;2(5):31. doi: 10.3892/mi.2022.56. eCollection 2022 Sep-Oct.Med Int (Lond). 2022.PMID: 36698910Free PMC article.