Oxygen delivery performance of old and new designs of the Laerdal, Vitalograph, and AMBU adult manual resuscitators.
D000328:Adult; D004867:Equipment Design; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*; D012151:Resuscitation / Q000295:instrumentation*; D012122:Ventilators, Mechanical / Q000592:standards*