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.
Hammarström A, Ahlgren C.Hammarström A, et al. Among authors: ahlgren c.BMC Public Health. 2019 Dec 10;19(1):1661. doi: 10.1186/s12889-019-8005-5.BMC Public Health. 2019.PMID: 31823760Free PMC article.
Bohlin A, Ahlgren C, Hammarstrom A, Gustafsson PE.Bohlin A, et al. Among authors: ahlgren c.Scand J Public Health. 2013 Dec;41(8):825-31. doi: 10.1177/1403494813498157. Epub 2013 Jul 17.Scand J Public Health. 2013.PMID: 23863888
Wiklund M, Ahlgren C, Hammarström A.Wiklund M, et al. Among authors: ahlgren c.Glob Health Action. 2018;11(sup3):1519960. doi: 10.1080/16549716.2018.1519960.Glob Health Action. 2018.PMID: 30270777Free PMC article.