Before intensive therapy?
Gilbertson
A A
AA
D003422:Critical Care / Q000266:history*; D004196:Disease Outbreaks / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology / Q000266:history*; D012121:Respiration, Artificial / Q000266:history*; D012122:Ventilators, Mechanical / Q000266:history