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.
Valberg M, Stensrud MJ, Aalen OO.Valberg M, et al. Among authors: stensrud mj.BMC Public Health. 2018 Jan 15;18(1):135. doi: 10.1186/s12889-018-5033-5.BMC Public Health. 2018.PMID: 29334951Free PMC article.
Stensrud MJ, Aalen OO.Stensrud MJ, et al.Tidsskr Nor Laegeforen. 2019 Aug 2;139(11). doi: 10.4045/tidsskr.19.0311. Print 2019 Aug 20.Tidsskr Nor Laegeforen. 2019.PMID: 31429251Free article.Norwegian.No abstract available.