About: http://webisa.webdatacommons.org/164913415

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 cannula, retractor, or other instrument may be employed to guide the rod anchor system to the vertebra 800.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au