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Server A, Tollesson G, Solgaard T, Haakonsen M, Johnsen UL.Server A, et al. Among authors: johnsen ul.Acta Radiol. 2002 Sep;43(5):483-5. doi: 10.1034/j.1600-0455.2002.430507.x.Acta Radiol. 2002.PMID: 12423458
Server A, Dullerud R, Haakonsen M, Nakstad PH, Johnsen UL, Magnaes B.Server A, et al. Among authors: johnsen ul.Acta Radiol. 2001 May;42(3):254-60. doi: 10.1080/028418501127346792.Acta Radiol. 2001.PMID: 11350282
Dullerud R, Haakonsen M, Johnsen UL, Dahl T, Faye-Lund H.Dullerud R, et al. Among authors: johnsen ul.Tidsskr Nor Laegeforen. 1997 Jun 10;117(15):2191-3.Tidsskr Nor Laegeforen. 1997.PMID: 9235710Norwegian.
Lindbaek M, Johnsen UL, Kaastad E, Dølvik S, Møll P, Laerum E, Hjortdahl P.Lindbaek M, et al. Among authors: johnsen ul.Acta Radiol. 1996 Sep;37(5):708-13. doi: 10.1177/02841851960373P258.Acta Radiol. 1996.PMID: 8915281
Lindbaek M, Kaastad E, Dølvik S, Johnsen U, Laerum E, Hjortdahl P.Lindbaek M, et al.Rhinology. 1998 Mar;36(1):7-11.Rhinology. 1998.PMID: 9569434Clinical Trial.
Lindbaek M, Hjortdahl P, Johnsen UL.Lindbaek M, et al. Among authors: johnsen ul.BMJ. 1996 Aug 10;313(7053):325-9. doi: 10.1136/bmj.313.7053.325.BMJ. 1996.PMID: 8760738Free PMC article.Clinical Trial.