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	Penicillin: The Catalyst of the Twentieth Century (Tucker Chapin) View
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	The Penicillin Story: How an Accidental Discovery Became a Major Turning Point in History (kat6991) View
	Penicillin \| The Wonder Drug (Tristan Crowson) View
	History Day 2013 - Penicillin: A Turning Point in History - Victoria Winter (Glenwood Social Studies) View
	Advances in treatments 1900 - present day (Sedgehill History) View
	Penicillin is Evil (Today In History) (zegsigma) View
	Kathleen Joo u0026 Michelle Lee NHD 2013 Penicillin: The Miracle Drug (Kathleen Joo) View
	6 Chemical Reactions That Changed History (Be Smart) View
	Mankinds most important discovery! (Thunderf00t) View