Standardised lung function testing.
D005540:Forced Expiratory Flow Rates; D006801:Humans; D008176:Lung Volume Measurements / Q000379:methods; D010993:Plethysmography, Whole Body; D012016:Reference Values; D012129:Respiratory Function Tests / Q000379:methods*; D013147:Spirometry; D014797:Vital Capacity