title: Gastrointestinal blood loss in chronically hemodialyzed patients.
mesh_terms: D001803:Blood Transfusion; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D007501:Iron / Q000627:therapeutic use*; D006435:Renal Dialysis / Q000009:adverse effects*
chemical_list: D007501:Iron