An analysis of forced expiratory spirograms performed on a group of insurance company employees.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007352:Insurance, Life; D008297:Male; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000175:diagnosis*; D013147:Spirometry; D014481:United States