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Biography of Jonas Salk: Inventor of the Polio Vaccine
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Jonas Salk - Wikipedia
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Oct 06, 1954 - Pittsburgh, Pennsylvania, U.S. - Dr. JONAS SALK works in his lab at the Virus Research Laboratory Stock Photo - Alamy
Jonas Salk, M.D. | Academy of Achievement
Salk House | University of Michigan Medical School
Letters reveal how Pitt recruited Dr. Jonas Salk | Pittsburgh Post-Gazette
Dr. Jonas Salk Announces Polio Vaccine - HISTORY
Jonas Salk - Wikipedia
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Jonas Salk: A Life,' by Charlotte DeCroes Jacobs - The New York Times
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Jonas Salk, M.D. | Academy of Achievement
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Dr. Jonas Salk (second from the left), University of Pittsburgh scientist who discovered the anti-polio vaccine, receives a special citation from President Eisenhower at the White House. 1955 Stock Photo - Alamy
Vaccines for polio, typhus, AIDS that Jonas Salk and other scientists tested on themselves - The Washington Post
Jonas Salk: A Life,' by Charlotte DeCroes Jacobs - The New York Times
8 Things You May Not Know About Jonas Salk and the Polio Vaccine - HISTORY
About Jonas Salk - Salk Institute for Biological Studies
Jonas Salk, M.D. | Academy of Achievement
File:Dr Jonas Edward Salk (cropped).jpg - Wikimedia Commons