Pulmonary function unit.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001249:Asthma / Q000175:diagnosis*; D004417:Dyspnea / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000175:diagnosis*; D011658:Pulmonary Fibrosis / Q000175:diagnosis*; D013902:Radiography, Thoracic; D012129:Respiratory Function Tests