PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention provides a surgical retractor blade and system useful for surgical procedures, including orthopaedic and spinal surgery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.de