title: The performance of nasal catheters and a face mask in oxygen therapy.
mesh_terms: D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000032:analysis; D002404:Catheterization / Q000295:instrumentation*; D005145:Face; D006801:Humans; D008397:Masks; D009666:Nose; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*
chemical_list: D002245:Carbon Dioxide