title: Biological diagnosis of pancreatic ductal obstruction.
mesh_terms: D010129:4-Aminobenzoic Acid; D002908:Chronic Disease; D006801:Humans; D010182:Pancreatic Diseases / Q000175:diagnosis*; D010183:Pancreatic Ducts; D010195:Pancreatitis / Q000175:diagnosis; D014357:Trypsin / Q000097:blood
chemical_list: D014357:Trypsin; D010129:4-Aminobenzoic Acid