Barium swallow examination in myasthenia gravis.
D001464:Barium; D001466:Barium Sulfate; D003680:Deglutition Disorders / Q000209:etiology*; D006801:Humans; D009157:Myasthenia Gravis / Q000175:diagnosis*
D001464:Barium; D001466:Barium Sulfate
BARIUM; DEGLUTITION DISORDERS/etiology and pathogenesis; MYASTHENIA GRAVIS/diagnosis