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.
Sigurdsson E, Sigfusson N, Agnarsson U, Sigvaldason H, Thorgeirsson G.Sigurdsson E, et al. Among authors: thorgeirsson g.Int J Epidemiol. 1995 Feb;24(1):58-68. doi: 10.1093/ije/24.1.58.Int J Epidemiol. 1995.PMID: 7797357
Onundarson PT, Thorgeirsson G, Jonmundsson E, Sigfusson N, Hardarson T.Onundarson PT, et al. Among authors: thorgeirsson g.Eur Heart J. 1987 May;8(5):521-7. doi: 10.1093/oxfordjournals.eurheartj.a062312.Eur Heart J. 1987.PMID: 3497034
Thrainsdottir IS, Hardarson T, Thorgeirsson G, Sigvaldason H, Sigfusson N.Thrainsdottir IS, et al. Among authors: thorgeirsson g.Eur Heart J. 1993 Dec;14(12):1590-6. doi: 10.1093/eurheartj/14.12.1590.Eur Heart J. 1993.PMID: 8131755