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Lerdal A, Slåtten K, Saghaug E, Grov EK, Normann AP, Lee KA, Bjorvatn B, Gay CL.Lerdal A, et al. Among authors: bjorvatn b.BMJ Open. 2016 Jan 4;6(1):e009345. doi: 10.1136/bmjopen-2015-009345.BMJ Open. 2016.PMID: 26729383Free PMC article.
Storemark SS, Fossum IN, Bjorvatn B, Moen BE, Flo E, Pallesen S.Storemark SS, et al. Among authors: bjorvatn b.BMJ Open. 2013 Nov 4;3(11):e003696. doi: 10.1136/bmjopen-2013-003696.BMJ Open. 2013.PMID: 24189084Free PMC article.
Mildestvedt T, Herikstad VV, Undheim I, Bjorvatn B, Meland E.Mildestvedt T, et al. Among authors: bjorvatn b.Scand J Prim Health Care. 2018 Sep;36(3):317-322. doi: 10.1080/02813432.2018.1499590. Epub 2018 Aug 23.Scand J Prim Health Care. 2018.PMID: 30139280Free PMC article.