About: http://webisa.webdatacommons.org/406620232

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 removing of the valve can be performed, for example, by employing a trocar or other tube inserted through the introducer apparatus 1510 or during an open heart procedure prior to implanting the prosthesis 150, 200.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca