Equip the units with oxygen sensors.
Bromberger-Barnea
B
B
D004868:Equipment Failure; D006801:Humans; D010100:Oxygen / Q000032:analysis*; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*; D011656:Pulmonary Emphysema / Q000628:therapy*
D010100:Oxygen