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Jonas E. Salk 1914-1995, American
Photograph - Photograph
Jonas E. Salk (1914-1995), American physician who developed the first effective Polio vaccine inoculating child as nurse stands by. Ca. 1955.
December 8th, 2011
Viewed 39 Times - Last Visitor from Beverly Hills, CA on 07/29/2014 at 1:30 PM
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