title: Upper airway obstruction in the Shy-Drager syndrome.
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000175:diagnosis; D005260:Female; D006801:Humans; D007024:Hypotension, Orthostatic / Q000150:complications*; D008875:Middle Aged; D013577:Syndrome