Polio survivors spurred rehabilitation advances.
D001915:Braces; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000534:rehabilitation*; D012046:Rehabilitation / Q000266:history* / Q000295:instrumentation; D014481:United States; D012122:Ventilators, Mechanical / Q000266:history