Mechanical support of respiration.
D002245:Carbon Dioxide / Q000097:blood; D010100:Oxygen / Q000097:blood; D011175:Positive-Pressure Respiration; D012121:Respiration, Artificial; D013147:Spirometry; D014481:United States; D012122:Ventilators, Mechanical / Q000009:adverse effects / Q000295:instrumentation
D002245:Carbon Dioxide; D010100:Oxygen