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Sjaastad O, Fredriksen TA, Pfaffenrath V.Sjaastad O, et al. Among authors: fredriksen ta.Headache. 1998 Jun;38(6):442-5. doi: 10.1046/j.1526-4610.1998.3806442.x.Headache. 1998.PMID: 9664748No abstract available.
Sjaastad O, Aasly J, Stormorken H, Wysocka-Bakowska MM, Hørven I, Fredriksen TA.Sjaastad O, et al. Among authors: fredriksen ta.Acta Ophthalmol (Copenh). 1992 Dec;70(6):713-20. doi: 10.1111/j.1755-3768.1992.tb04874.x.Acta Ophthalmol (Copenh). 1992.PMID: 1488875
Sjaastad O, Fredriksen TA, Pfaffenrath V.Sjaastad O, et al. Among authors: fredriksen ta.Headache. 1990 Nov;30(11):725-6. doi: 10.1111/j.1526-4610.1990.hed3011725.x.Headache. 1990.PMID: 2074165Review.
Sjaastad O, Fredriksen TA, Sand T, Antonaci F.Sjaastad O, et al. Among authors: fredriksen ta.Cephalalgia. 1989 Mar;9(1):71-7. doi: 10.1046/j.1468-2982.1989.0901071.x.Cephalalgia. 1989.PMID: 2706678
Sjaastad O, Fredriksen TA, Sand T.Sjaastad O, et al. Among authors: fredriksen ta.Funct Neurol. 1989 Jan-Mar;4(1):73-8.Funct Neurol. 1989.PMID: 2737497
Antonaci F, Fredriksen TA, Sand T, Wysocka-Bakowska MM, Salvesen R, Bogucki A, Seim A, Sjaastad O.Antonaci F, et al. Among authors: fredriksen ta.Funct Neurol. 1989 Jan-Mar;4(1):91-103.Funct Neurol. 1989.PMID: 2737500
Fredriksen TA, Fougner R, Tangerud A, Sjaastad O.Fredriksen TA, et al.Cephalalgia. 1989 Jun;9(2):139-46. doi: 10.1046/j.1468-2982.1989.0902139.x.Cephalalgia. 1989.PMID: 2743413