title: Tumor markers for pancreatic cancer: what happens when preoperative CA 19-9 is undetectable?
authors.forename: Michael
authors.initials: M
authors.lastname: Bouvet
mesh_terms: D014408:Biomarkers, Tumor / Q000032:analysis*; D018395:CA-19-9 Antigen / Q000097:blood*; D006801:Humans; D010190:Pancreatic Neoplasms / Q000473:pathology* / Q000601:surgery; D011379:Prognosis
chemical_list: D014408:Biomarkers, Tumor; D018395:CA-19-9 Antigen