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.
Grotle M, Garratt A, Løchting I, Kjeken I, Klokkerud M, Uhlig T, Hagen KB.Grotle M, et al. Among authors: kjeken i.J Rehabil Med. 2009 Jun;41(7):576-81. doi: 10.2340/16501977-0375.J Rehabil Med. 2009.PMID: 19543670Free article.
Klokkerud M, Hagen KB, Kjeken I, Bremander A, Hørslev-Petersen K, Vlieland TV, Grotle M; STAR-ETIC collaboration.Klokkerud M, et al. Among authors: kjeken i.J Rehabil Med. 2012 May;44(5):406-13. doi: 10.2340/16501977-0961.J Rehabil Med. 2012.PMID: 22549648Free article.
Kjeken I, Bø I, Rønningen A, Spada C, Mowinckel P, Hagen KB, Dagfinrud H.Kjeken I, et al.J Rehabil Med. 2013 Mar;45(3):260-7. doi: 10.2340/16501977-1078.J Rehabil Med. 2013.PMID: 23138412Free article.Clinical Trial.
Østerås N, Garratt A, Grotle M, Natvig B, Kjeken I, Kvien TK, Hagen KB.Østerås N, et al. Among authors: kjeken i.Arthritis Care Res (Hoboken). 2013 Jul;65(7):1043-51. doi: 10.1002/acr.21976.Arthritis Care Res (Hoboken). 2013.PMID: 23401461Free article.