About: http://webisa.webdatacommons.org/227475653

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	It is sometimes necessary to use a catheter to sever and remove tissue from a bodily passageway, e.g. a blood vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk