About: http://webisa.webdatacommons.org/271250488

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	Various well-known radiopaque materials may be used in the distal end to form the marker, such as platinum or gold.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr