About: http://webisa.webdatacommons.org/367717796

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	The method as set forth in claim 29, wherein said clamping element is a screw and said head of said first vertebral screw has a threaded recess for engagement with said clamping screw.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com