title: Letter: Muscle cramps during maintenance hemodialysis.
mesh_terms: D003692:Delayed-Action Preparations; D006801:Humans; D009120:Muscle Cramp / Q000209:etiology*; D006435:Renal Dialysis / Q000009:adverse effects*; D012964:Sodium / Q000097:blood / Q000627:therapeutic use
chemical_list: D003692:Delayed-Action Preparations; D012964:Sodium