About: http://webisa.webdatacommons.org/339188335

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	inserting three or more fasteners through the access device and into the first, second, and third vertebrae, each fastener including a screw and a U-shaped housing configured to receive an elongated member;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com