Stein, A. et al. 2015. Bevacizumab plus chemotherapy as first-line treatment for patients with metastatic colorectal cancer: Results from a large German community-based observational cohort study. Acta Oncologica. 54, 2 (Feb. 2015), 171–178. DOI:https://doi.org/10.3109/0284186X.2014.961649.