title: Bezoars and bowel obstruction.
mesh_terms: D001630:Bezoars / Q000150:complications*; D002918:Chymotrypsin / Q000627:therapeutic use; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D014357:Trypsin / Q000627:therapeutic use
chemical_list: D002918:Chymotrypsin; D014357:Trypsin