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.
Hu H, Wei W, Chang CP.Hu H, et al. Among authors: chang cp.Sci Total Environ. 2020 Apr 15;713:136545. doi: 10.1016/j.scitotenv.2020.136545. Epub 2020 Jan 8.Sci Total Environ. 2020.PMID: 31954241
Hao Y, Wang C, Yan G, Irfan M, Chang CP.Hao Y, et al. Among authors: chang cp.J Environ Manage. 2023 Jun 1;335:117554. doi: 10.1016/j.jenvman.2023.117554. Epub 2023 Mar 1.J Environ Manage. 2023.PMID: 36863147
Huang YH, Wang K, Wang Y, Chang CP.Huang YH, et al. Among authors: chang cp.Air Qual Atmos Health. 2021;14(5):629-635. doi: 10.1007/s11869-020-00966-9. Epub 2020 Nov 23.Air Qual Atmos Health. 2021.PMID: 33250943Free PMC article.Review.