About: http://webisa.webdatacommons.org/167033784

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 markers 78 are constructed of a material that is radio and/or fluoroscopically opaque, such as gold or barium sulfate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es