History, 29.01.2020 23:43 issaaamiaaa15

Who developed the polio vaccine?

alan freed

david reisman

betty friedan

jonas salk

Answers: 1

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Who developed the polio vaccine?

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betty...

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More questions: History Another questions

Who developed the polio vaccine? alan freed david reisman betty friedan jonas salk

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Another question on History

Who developed the polio vaccine?

alan freed

david reisman

betty friedan

jonas salk