PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Amgen, a biotechnology pioneer since 1980, focuses on developing powerful biologic medicines ??? drugs produced by living cells rather than by mixing chemicals in vats ??? for cancer, kidney disease, rheumatoid arthritis, bone disease and other serious illnesses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com