title: Dysphagia and vertical nystagmus in magnesium deficiency.
mesh_terms: D000368:Aged; D003082:Colectomy / Q000009:adverse effects; D003680:Deglutition Disorders / Q000209:etiology*; D005260:Female; D006801:Humans; D008275:Magnesium Deficiency / Q000150:complications*; D009759:Nystagmus, Pathologic / Q000209:etiology*