García-Pachón, E Indices of upper airway obstruction in patients with simultaneous chronic airflow limitation. [electronic resource] - Respiration; international review of thoracic diseases 1994 - 121-5 p. digital Publication Type: Journal Article ISSN: 0025-7931 Standard No.: 10.1159/000196322 doi Subjects--Topical Terms: AdultAgedFemaleForced Expiratory Flow RatesForced Expiratory VolumeHumansLung Diseases, Obstructive--diagnosisMaleMaximal Voluntary VentilationMiddle AgedPulmonary VentilationVital Capacity