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Smedemark SA, Aabenhus R, Llor C, Fournaise A, Olsen O, Jørgensen KJ.Smedemark SA, et al. Among authors: olsen o.Cochrane Database Syst Rev. 2022 Oct 17;10(10):CD010130. doi: 10.1002/14651858.CD010130.pub3.Cochrane Database Syst Rev. 2022.PMID: 36250577Free PMC article.Review.
Koppner J, Chatziarzenis M, Faresjö T, Theodorsson E, Thorsell A, Nilsson S, Olsen O, Faresjö Å.Koppner J, et al. Among authors: olsen o.Int J Health Geogr. 2020 Dec 4;19(1):55. doi: 10.1186/s12942-020-00248-8.Int J Health Geogr. 2020.PMID: 33276781Free PMC article.
Olsen O.Olsen O.Scand J Prim Health Care. 2017 Dec;35(4):313-321. doi: 10.1080/02813432.2017.1397260.Scand J Prim Health Care. 2017.PMID: 29183265Free PMC article.
Feveile H, Olsen O, Hogh A.Feveile H, et al. Among authors: olsen o.BMC Med Res Methodol. 2007 Jun 26;7:27. doi: 10.1186/1471-2288-7-27.BMC Med Res Methodol. 2007.PMID: 17592653Free PMC article.Clinical Trial.