by Schwettmann, Lutz, Lied, Astrid, Eriksen, Ragnar
Published in Practical laboratory medicine (01.03.2022)

by Sævik, Fredrik, Eriksen, Ragnar, Eide, Geir Egil, Gilja, Odd Helge, Nylund, Kim
Published in Journal of Crohn's and colitis (13.01.2021)

by Schwettmann, Lutz, Eriksen, Ragnar
Published in Tidsskrift for den Norske Lægeforening (24.10.2022)

by Schwettmann, Lutz, Eriksen, Ragnar
Published in Tidsskrift for den Norske Lægeforening (25.10.2022)

by Eriksen, Ragnar
Published in Tidsskrift for den Norske Lægeforening (19.05.2005)

by Eriksen, Ragnar
Published in Tidsskrift for den Norske Lægeforening (19.05.2005)

by Eriksen, Ragnar
Published in Tidsskrift for den Norske Lægeforening (11.05.2006)

by Eriksen, Ragnar, Qvigstad, Tor
Published in Tidsskrift for den Norske Lægeforening (10.11.2002)

by Eriksen, Ragnar, Vegsundvaag, Johnny, Hole, Torstein, Morstøl, Torstein Holm
Published in Tidsskrift for den Norske Lægeforening (09.03.2006)

by Eriksen, Ragnar, Westre, Bjørn, Bergh, Kåre, Qvigstad, Gunnar
Published in Tidsskrift for den Norske Lægeforening (12.06.2008)

by Eriksen, Ragnar, Qvigstad, Tor
Published in Tidsskrift for den Norske Lægeforening (10.11.2002)

by Eriksen, Ragnar, Vegsundvaag, Johnny, Hole, Torstein, Morstøl, Torstein Holm
Published in Tidsskrift for den Norske Lægeforening (2006)

by Eriksen, Ragnar, Westre, Bjørn, Bergh, Kåre, Qvigstad, Gunnar
Published in Tidsskrift for den Norske Lægeforening (12.06.2008)

by Mella, Olav, Eriksen, Ragnar, Dahl, Olav, Laerum, Ole D.
Published in European journal of cancer & clinical oncology (01.04.1987)