Assertion: leech | /r/ObjectUse | used by doctor
Facets:
value: for bloodletting
type: PURPOSE
value: more recently
type: TEMPORAL
Source sentences:
text: More recently, in the 19th and early 20th century, leeches were used by doctors for bloodletting, such as in the Bedale Leech House in England or to treat our first president, George Washington, on his deathbed.