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Who developed the polio vaccine? George Marshall Jonas Salk Marie Curie Carlos Finlay
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Nov 24, 2017
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Who developed the polio vaccine?
George Marshall
Jonas Salk
Marie Curie
Carlos Finlay
Chemistry
high-school
Andrei U
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Andrei U
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Jonas Salk
developed the polio vaccine.
Ryan From Denver
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Nov 27, 2017
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Ryan From Denver
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Dr. Jonas Salk developed the polio vaccine.
DotThoughts
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Nov 30, 2017
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DotThoughts
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