Nygren, P. et al. 2005. Targeted drugs in metastatic colorectal cancer with special emphasis on guidelines for the use of bevacizumab and cetuximab: An Acta Oncologica expert report. Acta Oncologica. 44, 3 (May 2005), 203–217. DOI:https://doi.org/10.1080/02841860510029798.