A medical triumph: the iron lung.
D049673:History, 20th Century; D006801:Humans; D011052:Poliomyelitis, Bulbar / Q000628:therapy; D012138:Respiratory Therapy / Q000266:history*; D012151:Resuscitation / Q000295:instrumentation*; D012122:Ventilators, Mechanical / Q000266:history / Q000295:instrumentation*