About: http://webisa.webdatacommons.org/213568804

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	A preferred device comprises a frame-like structure composed of biocompatible material such as carbon fiber, the structure having a substantially hollow interior and open side walls or apertures to receive bone-graft material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com