A case of chronic respiratory failure.
D000368:Aged; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D008131:London; D008168:Lung / Q000473:pathology; D010100:Oxygen / Q000097:blood; D012140:Respiratory Tract Diseases / Q000473:pathology / Q000503:physiopathology; D013147:Spirometry
D002245:Carbon Dioxide; D010100:Oxygen