Dahl, O. ., Fluge, Øystein ., Carlsen, E. ., Wiig, J. N. ., Myrvold, H. E. ., Vonen, B. ., … Magne Tveit, K. . (2009). Final results of a randomised phase III study on adjuvant chemotherapy with 5 FU and levamisol in colon and rectum cancer stage II and III by the Norwegian Gastrointestinal Cancer Group. Acta Oncologica, 48(3), 368–376. https://doi.org/10.1080/02841860902755244