About: http://webisa.webdatacommons.org/181294630

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 composition also includes a radiopaque material such as a heavy metal or inorganic compound thereof, such as those listed above for use in forming distal end segment 54.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com