About: http://webisa.webdatacommons.org/70355423

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	To facilitate the positioning of these stents, they are preferably marked with a radio-opaque material, such as platinum or gold.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com