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.
Shan S, Sun Z, Zhang F, Zhang R, Yang B.Shan S, et al. Among authors: zhang r, zhang f.Int J Environ Res Public Health. 2021 Oct 11;18(20):10624. doi: 10.3390/ijerph182010624.Int J Environ Res Public Health. 2021.PMID: 34682371Free PMC article.
Sun Z, Yang B, Zhang R, Cheng X.Sun Z, et al. Among authors: zhang r.Int J Environ Res Public Health. 2020 Aug 13;17(16):5889. doi: 10.3390/ijerph17165889.Int J Environ Res Public Health. 2020.PMID: 32823740Free PMC article.
Sun Z, Cheng X, Zhang R, Yang B.Sun Z, et al. Among authors: zhang r.Int J Environ Res Public Health. 2020 Sep 8;17(18):6542. doi: 10.3390/ijerph17186542.Int J Environ Res Public Health. 2020.PMID: 32911826Free PMC article.
Wang Y, Zhang R, Peng S.Wang Y, et al. Among authors: zhang r.Healthcare (Basel). 2021 Jan 14;9(1):72. doi: 10.3390/healthcare9010072.Healthcare (Basel). 2021.PMID: 33466631Free PMC article.