title: Letter: Refined carbohydrates, dietary fiber, and gastrointestinal abnormality.
mesh_terms: D000328:Adult; D002648:Child; D004032:Diet; D004040:Dietary Carbohydrates / Q000008:administration & dosage; D005767:Gastrointestinal Diseases / Q000517:prevention & control*; D005770:Gastrointestinal Neoplasms / Q000517:prevention & control; D006801:Humans
chemical_list: D004040:Dietary Carbohydrates