About: http://webisa.webdatacommons.org/363406331

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	BACKGROUND OF THE INVENTION [0006] Catheters are used extensively in the medical field in various types of procedures, including invasive procedures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca