Ventilatory cost of exercise in chronic obstructive pulmonary disease.
D000328:Adult; D000368:Aged; D002245:Carbon Dioxide; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008171:Lung Diseases; D008297:Male; D008875:Middle Aged; D009132:Muscles; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D012129:Respiratory Function Tests
D002245:Carbon Dioxide