PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1997 be ???extended to allow drug companies to promote comparative effectiveness research to health plans and other payers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • npcnow.org