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.
Wesolowska K, Czarkowska-Paczek B.Wesolowska K, et al.Int J Occup Med Environ Health. 2018 Jan 1;31(1):47-54. doi: 10.13075/ijomeh.1896.01076. Epub 2017 Sep 14.Int J Occup Med Environ Health. 2018.PMID: 29052651Free article.