Mechanical aids to ventilation for use in the field.
D005392:First Aid; D006801:Humans; D007440:Intubation / Q000295:instrumentation; D008397:Masks; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation; D010614:Pharynx; D012121:Respiration, Artificial / Q000295:instrumentation*; D013396:Suction; D012122:Ventilators, Mechanical