About: http://webisa.webdatacommons.org/273093866

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 method of claim 17, wherein the radiopaque material is a metal selected from the group of metals consisting of gold, platinum, silver, and tantalum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au