PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The slow rate of fusion using allografted bone can lead to collapse of the disc space before fusion is accomplished. [0008] Several attempts have been made to develop a material that may be used to form an implant, such as an intervertebral disc implant or other load bearing structure, which avoids the disadvantages of metal implants and bone implants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com