Variation in performance of oxygen therapy devices.
D002245:Carbon Dioxide; D002404:Catheterization; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D008297:Male; D008722:Methods; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects / Q000295:instrumentation*; D012119:Respiration
D002245:Carbon Dioxide; D010100:Oxygen