by Fredriksen, Torbjørn A, Antonaci, Fabio, Sjaastad, Ottar
Published in Journal of headache and pain (2015)

by Fredriksen, Torbjørn A, Antonaci, Fabio, Sjaastad, Ottar
Published in Journal of headache and pain (13.09.2014)

by Sjaastad, Ottar, Fredriksen, Torbjørn A., Bakketeig, Leiv S.
Published in Current pain and headache reports (01.02.2009)

by Sjaastad, Ottar M, Fredriksen, Torbjørn A
Published in Cephalalgia Reports (01.01.2019)

by Torbjørn, A Fredriksen, Stolt-Nielsen, Andreas, Skaanes, Karl Ove, Sjaastad, Ottar
Published in Functional neurology (01.01.2003)

by Antonaci, Fabio, Sjaastad, Ottar, Fredriksen, Torbjorn A
Published in Journal of headache and pain (01.12.2015)

by Sjaastad, Ottar, Fredriksen, Torbjørn A, Petersen, Hans, Bakketeig, Leiv
Published in Functional neurology (01.10.2003)

by Sjaastad, Ottar, Fredriksen, Torbjørn A
Published in Functional neurology (01.01.2002)

by Bovim, G, Fredriksen, T A, Stolt-Nielsen, A, Sjaastad, O
Published in Headache (01.04.1992)

by Fredriksen, Torbjørn A, Antonaci, Fabio, Sjaastad, Ottar
Published in Journal of headache and pain (01.09.2014)

by Fredriksen, Torbjørn A., Unsgård, Geirmund, Cappelen, Johan, Müller, Tomm Brostrup
Published in Tidsskrift for den Norske Lægeforening (13.12.2021)

by Fredriksen, Torbjørn A., Aarset, Harald, Svensen, Torgeir, Gisvold, Sven Erik
Published in Tidsskrift for den Norske Lægeforening (22.01.2024)

by Juul, R, Fredriksen, T A, Ringkjøb, R
Published in Journal of neurosurgery (01.03.1986)

by Sjaastad, Ottar, Fredriksen, Torbjörn A, Pareja, Juan A, Stolt-Nielsen, Andreas
Published in Pain research & management (1999)

by Fredriksen, T A
Published in Cephalalgia (01.09.1988)

by Antonaci, F, Fredriksen, T A, Sjaastad, O
Published in Current pain and headache reports (01.08.2001)

by SJAASTAD, Ottar, FREDRIKSEN, Torbjörn A, BATNES, Jan, PETERSEN, Hans C, BAKKETEIG, Leiv S
Published in Journal of headache and pain (01.02.2006)

by Fredriksen, T A, Sjaastad, O
Published in Clinical and experimental rheumatology (01.03.2000)

by Bovim, G, Bonamico, L, Fredriksen, T A, Lindboe, C F, Stolt-Nielsen, A, Sjaastad, O
Published in Spine (Philadelphia, Pa. 1976) (01.04.1991)

by Fredriksen, T A, Sjaastad, O
Published in Functional neurology (01.10.2000)