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.
Grešner P, Świercz R, Wąsowicz W, Gromadzińska J.Grešner P, et al.Int J Occup Med Environ Health. 2017 May 8;30(3):469-483. doi: 10.13075/ijomeh.1896.00854. Epub 2016 Dec 28.Int J Occup Med Environ Health. 2017.PMID: 28481379Free article.
Grešner P, Stepnik M, Król MB, Swiercz R, Smok-Pieniazek A, Twardowska E, Gromadzińska J, Wasowicz W.Grešner P, et al.Scand J Work Environ Health. 2015 Nov;41(6):579-93. doi: 10.5271/sjweh.3523. Epub 2015 Sep 8.Scand J Work Environ Health. 2015.PMID: 26348975Free article.