About: http://webisa.webdatacommons.org/453473500

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	Further, the structural members can be formed of a biocompatible material, such as polyethylene or hydroxyapatite, and can be porous.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com