[The manifestation of flow volume curves in the upper airway obstruction--analysis of 12 cases].
D000328:Adult; D000368:Aged; D000402:Airway Obstruction / Q000503:physiopathology*; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008297:Male; D008449:Maximal Expiratory Flow-Volume Curves; D008875:Middle Aged