About: http://webisa.webdatacommons.org/181483796

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	Preferably, a structure, such as a ring, that is metallic or non-metallic but radioopaque (e.g., barium) and visible under X-ray, is embedded in the retaining structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com