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 HJ, Liao LL, Chang YC, Hung CC, Chang LC.Chen HJ, et al.Int J Environ Res Public Health. 2019 Jul 22;16(14):2602. doi: 10.3390/ijerph16142602.Int J Environ Res Public Health. 2019.PMID: 31336610Free PMC article.
Chen HJ, Chen JL, Chen CY, Lee M, Chang WH, Huang TT.Chen HJ, et al. Among authors: chen jl, chen cy.Int J Environ Res Public Health. 2019 Jun 24;16(12):2228. doi: 10.3390/ijerph16122228.Int J Environ Res Public Health. 2019.PMID: 31238591Free PMC article.Clinical Trial.
Chen HJ, Hu Y, Ma JH.Chen HJ, et al.World J Radiol. 2024 Dec 28;16(12):717-721. doi: 10.4329/wjr.v16.i12.717.World J Radiol. 2024.PMID: 39801662Free PMC article.