Basic data on spirometry in adults 25-74 years of age: United States, 1971-75.
D000328:Adult; D000368:Aged; D005260:Female; D006306:Health Surveys; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D008875:Middle Aged; D012123:Pulmonary Ventilation; D012907:Smoking; D013147:Spirometry; D014481:United States