Hirudo medicinalis: the medicinal leech.
Andrews
S
S
City Hospital NHS Trust, Nottingham NG5 1PB. sasha.andrews@nottingham.ac.uk
D000818:Animals; D001815:Bloodletting / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D007865:Leeches; D018962:Phlebotomy / Q000379:methods