About: http://webisa.webdatacommons.org/273242204

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 device is used to observe the nature of the stenosis, its extent, its diameter, its texture and also whether or not there are residual flaps, cracks, or other conditions which may cause problems later such as reocclusion or emboli.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com