title: Letter: Bran: roughage that's rough on iron.
mesh_terms: D002482:Cellulose; D004040:Dietary Carbohydrates / Q000378:metabolism; D007501:Iron / Q000378:metabolism*; D008031:Lignin
chemical_list: D004040:Dietary Carbohydrates; D002482:Cellulose; D008031:Lignin; D007501:Iron