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.
Sævarsson ES, Svansdottir E, Sveinsson T, Asgeirsdottir TL, Arngrimsson SA, Johannsson E.Sævarsson ES, et al. Among authors: johannsson e.Scand J Public Health. 2017 Dec;45(8):861-868. doi: 10.1177/1403494817705560. Epub 2017 Jun 30.Scand J Public Health. 2017.PMID: 28666392
Hrafnkelsson H, Magnusson KT, Sigurdsson EL, Johannsson E.Hrafnkelsson H, et al. Among authors: johannsson e.Scand J Prim Health Care. 2009;27(3):186-91. doi: 10.1080/02813430903155028.Scand J Prim Health Care. 2009.PMID: 19731182Free PMC article.