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.
Widar L, Wiitavaara B, Boman E, Heiden M.Widar L, et al. Among authors: wiitavaara b.Int J Environ Res Public Health. 2021 Sep 10;18(18):9537. doi: 10.3390/ijerph18189537.Int J Environ Res Public Health. 2021.PMID: 34574461Free PMC article.
Björklund M, Wiitavaara B, Heiden M.Björklund M, et al. Among authors: wiitavaara b.Qual Life Res. 2017 Jan;26(1):161-170. doi: 10.1007/s11136-016-1373-8. Epub 2016 Aug 9.Qual Life Res. 2017.PMID: 27506524Free PMC article.