Assertion: botulinum toxin | /r/HasProperty | known since 18th century
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text: Botulinum toxins are often found in poorly preserved food, or even in flesh wounds, and have been known since the 18th century when the German medic, Justinus Kerner (right) described botulinum toxin as a "sausage poison" and "fatty poison", because is arose from improperly handled or prepared meat products.