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Stamen Grigorov

Google Doodle celebrates Stamen Grigorov, the yogurt doctor who helped cure tuberculosis
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  • Google Doodle celebrates Stamen Grigorov, the yogurt doctor who helped cure tuberculosis
  • Stamen Grigorov, Who Discovered the Secrets of Yogurt, Is Celebrated With a Google Doodle
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  • Google honors microbiologist Dr. Stamen Grigorov with new Doodle
  • Tuesday’s Google Celebrates Stamen Grigorov, Who Discovered The Bacteria That Makes Yogurt
  • Stamen Grigorov: Who was the microbiologist and what did he discover?
  • Google Doodle celebrates Dr. Stamen Grigorov, the biologist who discovered yogurt bacteria
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