title: Pancreatic exocrine function in biliary tract diseases: stability test and clinical evaluation.
mesh_terms: D010129:4-Aminobenzoic Acid; D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000503:physiopathology* / Q000601:surgery; D004355:Drug Stability; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000503:physiopathology*
chemical_list: D010129:4-Aminobenzoic Acid