title: [Clinical evaluation of serum tissue polypeptide antigen (TPA) concentrations in patients with malignancy of the digestive system using TPA RIA kit Prolifigen].
mesh_terms: D005069:Evaluation Studies as Topic; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D010455:Peptides / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods*; D011933:Reagent Kits, Diagnostic; D019396:Tissue Polypeptide Antigen
chemical_list: D010455:Peptides; D011933:Reagent Kits, Diagnostic; D019396:Tissue Polypeptide Antigen