title: Restless legs syndrome.
mesh_terms: D004298:Dopamine / Q000502:physiology; D006801:Humans; D007501:Iron / Q000378:metabolism; D000090463:Iron Deficiencies; D009294:Narcotics / Q000627:therapeutic use; D012148:Restless Legs Syndrome / Q000188:drug therapy / Q000209:etiology*
chemical_list: D009294:Narcotics; D007501:Iron; D004298:Dopamine