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January 11, 2011 - Children's Health Study

  • Aired: 01/11/2011
  • 06:15
  • Rating: NR
What's behind rising rates of asthma, autism and other childhood diseases baffling doctors? A new long-term study launching in Cook County hopes to find out, and we tell you how your family can participate.
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January 11, 2011 - Children's Health Study
Cook County joins a major national study on childhood diseases
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