Jonas Salk developed the Polio vaccine at the University...
ThomasCarroll235's Gallery ThomasCarroll235's Gallery
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  1. ThomasCarroll235's Gallery
  2. 2013-11-08--Pittsburgh, PA (Part 1)2013-11-08--Pittsburgh, PA (Part 1)
  3. Jonas Salk developed the Polio vaccine at the University of Pittsburgh Medical Center.Jonas Salk developed the Polio vaccine at the University of Pittsburgh Medical Center.

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