Standardization of spirometry--1987 update. Statement of the American Thoracic Society.
D006801:Humans; D012123:Pulmonary Ventilation; D011786:Quality Control; D012015:Reference Standards; D012016:Reference Values; D012815:Signal Processing, Computer-Assisted; D012955:Societies, Medical; D013147:Spirometry / Q000295:instrumentation / Q000592:standards*; D014481:United States; D014797:Vital Capacity