title: A study of exocrine pancreatic function by pancreatic function diagnostant (PFD) on cancer of pancreas and biliary tract.
mesh_terms: D010129:4-Aminobenzoic Acid; D001661:Biliary Tract Neoplasms / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D010179:Pancreas / Q000503:physiopathology*; D010186:Pancreatic Function Tests / Q000379:methods*; D010190:Pancreatic Neoplasms / Q000503:physiopathology* / Q000601:surgery
chemical_list: D010129:4-Aminobenzoic Acid