title: Letter to the editor: Pancreatic exocrine insufficiency.
mesh_terms: D002918:Chymotrypsin / Q000032:analysis*; D005243:Feces / Q000201:enzymology*; D006801:Humans; D010182:Pancreatic Diseases / Q000175:diagnosis* / Q000201:enzymology / Q000378:metabolism
chemical_list: D002918:Chymotrypsin