About: http://webisa.webdatacommons.org/369444979

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 locking element, such as a set screw, can be used to lock the first portion 30 a within the receiving head 56, thereby mating the second member 30 to the vertebra 60 s.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es