About: http://webisa.webdatacommons.org/5609252

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	Components made of shape memory materials such as Nitinol, could expand within the spine in reaction to a temperature, chemical, or other change or stimulus.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com