Historical survey of mechanical ventilation.
D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D007385:Intermittent Positive-Pressure Ventilation / Q000295:instrumentation; D011175:Positive-Pressure Respiration / Q000295:instrumentation; D012121:Respiration, Artificial / Q000266:history*; D012122:Ventilators, Mechanical / Q000266:history*