Boogerd, L S F Correlation Between Preoperative Serum Carcinoembryonic Antigen Levels and Expression on Pancreatic and Rectal Cancer Tissue. [electronic resource] - Biomarkers in cancer 2017 - 1179299X17710016 p. digital Publication Type: Journal Article ISSN: 1179-299X Standard No.: 10.1177/1179299X17710016 doi