About: http://webisa.webdatacommons.org/448752547

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	Similar to the first member 52, the second member 54 is preferably formed of a relatively rigid, biocompatible material such as PEEK, carbon fiber composite, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com