Image: Salk Thank You

Salk_Thank_You.jpg(318 × 403 pixels, file size: 33 KB, MIME type: image/jpeg)

Description: Photo: shopkeeper expresses a nation's gratitude for Dr. Salk's discovery.
Title: Salk Thank You
Credit: March of Dimes Birth Defects Foundation; in book: Smith, Jane S. (1990). Patenting the Sun: Polio and The Salk Vaccine. New York: William Morrow. ISBN 0688094945.
Author: March of Dimes Birth Defects Foundation
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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