title: Vascular ring presenting as asthma: the value of a flow-volume curve.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology; D001013:Aorta, Thoracic / Q000002:abnormalities*; D001249:Asthma / Q000175:diagnosis*; D002648:Child; D003251:Constriction, Pathologic; D003937:Diagnosis, Differential; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008022:Ligaments; D008297:Male; D008449:Maximal Expiratory Flow-Volume Curves; D008450:Maximal Midexpiratory Flow Rate