claim: the chapter severe traumatic brain injuries begins on page 29.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
article_headline: traumatic brain injury - google books
initial_claim: 500,000 u.s. troops came home from iraq and afghanistan "with ptsd and traumatic brain injury.