Oxygen administration by ventimask in patients with respiratory failure.
D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010100:Oxygen / Q000008:administration & dosage / Q000097:blood; D010102:Oxygen Inhalation Therapy; D012131:Respiratory Insufficiency / Q000628:therapy*
D002245:Carbon Dioxide; D010100:Oxygen