by Halvorsen, F A, Ritland, S
Published in Scandinavian journal of gastroenterology (1996)

by Farup, P G, Hovde, O, Halvorsen, F A, Raknerud, N, Brodin, U
Published in Scandinavian journal of gastroenterology (1995)

by Halvorsen, F A, Ritland, S
Published in Sports medicine (Auckland) (01.09.1992)

by Halvorsen, F A, Lyng, J, Ritland, S
Published in Scandinavian journal of gastroenterology (01.01.1986)

by Halvorsen, F A, Lyng, J, Glomsaker, T, Ritland, S
Published in British journal of sports medicine (01.12.1990)

by Vinje, Bjørg, Gudmundsen, Tor Erik, Halvorsen, Fred Arne, Pedersen, Hans Kristian, Østensen, Harald
Published in Clinical imaging (1995)

by Kristensen, V A, Opheim, R, Ricanek, P, Huppertz-Hauss, G, Perminow, G, Detlie, T E, Skram, K, Vatn, S, Olbjørn, C, Rove, J, Stray-Pedersen, R, Ahmad, T R, Pedersen, A, Skogestad, E, Holm, H K, Ystrøm, C M, Aballi, B, Torp, R, Hovde, O, Frigstad, S O, Halvorsen, F A, Vikskjold, F, Sagosen, A, Bengtson, M B, Aabrekk, T B, Andersen, S, Yassin, H, Dahler, S, Henriksen, M, Størdal, K, Løvlund, E, Hasund, A, Høie, O, Schmidt, K, Pallenschatt, J, Høivik, M L
Published in Journal of Crohn's and colitis (16.01.2018)

by Hoff, Geir, Bretthauer, Michael, Huppertz-Hauss, Gert, Kittang, Eirik, Stallemo, Asbjørn, Høie, Ole, Dahler, Stein, Nyhus, Sverre, Halvorsen, Fred-Arne, Pallenschat, Jens, Vetvik, Kåre, Kristian Sandvei, Per, Friestad, Joachim, Pytte, Reidar, Coll, Peter
Published in Scandinavian journal of gastroenterology (01.01.2006)

by Uusitalo, A, Keyriläinen, O, Härkönen, R, Rautio, P, Rehnqvist, N, Engvall, J, Rosenqvist, U, Nyberg, G, Aberg, A, Ulvenstam, G
Published in Acta medica Scandinavica (1988)

by Halvorsen, F A, Ritland, S
Published in Tidsskrift for den Norske Lægeforening (20.01.1991)

by Halvorsen, F A, Ritland, S
Published in Tidsskrift for den Norske Lægeforening (10.06.1989)

by Halvorsen, F A, Ritland, S, Gudmundsen, T E, Pedersen, T
Published in Tidsskrift for den Norske Lægeforening (30.03.1990)

by HALVORSEN NILS F. A
Year of Publication 21.04.1931