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.
Hetlevik I, Holmen J, Krüger O.Hetlevik I, et al. Among authors: holmen j.Scand J Prim Health Care. 1999 Mar;17(1):35-40. doi: 10.1080/028134399750002872.Scand J Prim Health Care. 1999.PMID: 10229991Clinical Trial.
Kvenild K, Romundstad S, Midthjell K, Krüger O, Hallan H, Holmen J.Kvenild K, et al. Among authors: holmen j.Scand J Prim Health Care. 2006 Sep;24(3):145-53. doi: 10.1080/02813430600673604.Scand J Prim Health Care. 2006.PMID: 16923623
Midthjell K, Bjørndal A, Holmen J, Krüger O, Bjartveit K.Midthjell K, et al. Among authors: holmen j.Scand J Prim Health Care. 1995 Sep;13(3):229-35. doi: 10.3109/02813439508996766.Scand J Prim Health Care. 1995.PMID: 7481177
Hetlevik I, Holmen J, Krüger O, Holen A.Hetlevik I, et al. Among authors: holmen j.Scand J Prim Health Care. 1997 Sep;15(3):134-40. doi: 10.3109/02813439709018503.Scand J Prim Health Care. 1997.PMID: 9323780
Hetlevik I, Holmen J, Midthjell K.Hetlevik I, et al. Among authors: holmen j.Scand J Prim Health Care. 1997 Dec;15(4):193-7. doi: 10.3109/02813439709035027.Scand J Prim Health Care. 1997.PMID: 9444723
Holmen J, Hetlevik I, Krüger O.Holmen J, et al.Tidsskr Nor Laegeforen. 1998 Oct 20;118(25):3972-4.Tidsskr Nor Laegeforen. 1998.PMID: 9830344Review.Norwegian.