Gulhati P, Yin J, Pederson L, Schmoll HJ, et al. Threshold Change in CEA as a Predictor of Non-Progression to First-Line Systemic Therapy in Metastatic Colorectal Cancer Patients with Elevated CEA. J Natl Cancer Inst 2020 Mar 19. pii: 5810087. doi: 10.1093.
PMID: 32191317