About: http://webisa.webdatacommons.org/270181007

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	In certain embodiments, the radiopaque material is a high density material, e.g., platinum, that typically need be present in lower amounts, e.g., between about 1 and about 30 volume percent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es