Hypernasality as the presenting symptom of myasthenia gravis.
D000293:Adolescent; D005260:Female; D006801:Humans; D009157:Myasthenia Gravis / Q000150:complications* / Q000175:diagnosis* / Q000188:drug therapy; D010159:Palate / Q000503:physiopathology; D011729:Pyridostigmine Bromide / Q000627:therapeutic use; D013064:Speech Disorders / Q000150:complications*
D011729:Pyridostigmine Bromide