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.
Wang X, Dong XS, Welch L, Largay J.Wang X, et al. Among authors: dong xs.Occup Med Health Aff. 2016;4:235. doi: 10.4172/2329-6879.1000235. Epub 2016 May 30.Occup Med Health Aff. 2016.PMID: 27500180Free PMC article.
Wang X, Dong XS, Choi SD, Dement J.Wang X, et al. Among authors: dong xs.Occup Environ Med. 2017 May;74(5):374-380. doi: 10.1136/oemed-2016-103943. Epub 2016 Dec 30.Occup Environ Med. 2017.PMID: 28039200