title: The automation of leeches.
mesh_terms: D000818:Animals; D001331:Automation; D001781:Blood Component Removal / Q000266:history; D001815:Bloodletting / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007865:Leeches