Application and assessment of oxygen therapy devices.
D002404:Catheterization; D005069:Evaluation Studies as Topic; D006801:Humans; D006813:Humidity; D000860:Hypoxia / Q000628:therapy*; D007440:Intubation; D008397:Masks; D009666:Nose; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation* / Q000451:nursing