title: Study links donating blood to restless legs syndrome.
mesh_terms: D001782:Blood Donors; D005293:Ferritins / Q000097:blood; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D012148:Restless Legs Syndrome / Q000097:blood / Q000209:etiology*
chemical_list: D006454:Hemoglobins; D005293:Ferritins