title: CA 19-9 as a marker for gastrointestinal cancers: a review.
authors.affiliation: Department of Nuclear Medicine, St Vincent's Hospital, Dublin, Ireland.
authors.forename: M J
authors.initials: MJ
authors.lastname: Duffy
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D018395:CA-19-9 Antigen / Q000097:blood*; D003937:Diagnosis, Differential; D005770:Gastrointestinal Neoplasms / Q000097:blood* / Q000175:diagnosis; D006801:Humans; D012680:Sensitivity and Specificity
chemical_list: D014408:Biomarkers, Tumor; D018395:CA-19-9 Antigen