The medicinal leech: past and present.
Upshaw
J
J
Department of Surgery, Louisiana State University, Medical Center, New Orleans 70112, USA.
O'Leary
J P
JP
D000818:Animals; D001815:Bloodletting / Q000266:history / Q000639:trends*; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007865:Leeches