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.
Jonsson JS, Sigurdsson EL.Jonsson JS, et al. Among authors: sigurdsson el.Scand J Prim Health Care. 2020 Dec;38(4):361-362. doi: 10.1080/02813432.2020.1841507.Scand J Prim Health Care. 2020.PMID: 33377429Free PMC article.No abstract available.
Sigurdsson EL, Jónsson JS, Thorgeirsson G.Sigurdsson EL, et al.Scand J Prim Health Care. 2002 Mar;20(1):10-5. doi: 10.1080/028134302317282671.Scand J Prim Health Care. 2002.PMID: 12086276
Sigurdsson EL, Thorgeirsson G.Sigurdsson EL, et al.Scand J Prim Health Care. 2003 Jun;21(2):68-74. doi: 10.1080/02813430310000717.Scand J Prim Health Care. 2003.PMID: 12877367Review.
Hrafnkelsson H, Magnusson KT, Sigurdsson EL, Johannsson E.Hrafnkelsson H, et al. Among authors: sigurdsson el.Scand J Prim Health Care. 2009;27(3):186-91. doi: 10.1080/02813430903155028.Scand J Prim Health Care. 2009.PMID: 19731182Free PMC article.
Erlingsdottir A, Sigurdsson EL, Jonsson JS, Kristjansdottir H, Sigurdsson JA.Erlingsdottir A, et al. Among authors: sigurdsson el, sigurdsson ja.Scand J Prim Health Care. 2014 Mar;32(1):11-6. doi: 10.3109/02813432.2013.869409. Epub 2014 Feb 17.Scand J Prim Health Care. 2014.PMID: 24533844Free PMC article.