About: http://webisa.webdatacommons.org/158882065

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The use of leeches peaked in the early 19th century, particularly in Europe, causing the species to almost go extinct.
http://www.w3.org/ns/prov#wasQuotedFrom	dar.org