PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many active secretions produced by animals have been employed in the development of new drugs to treat diseases such as hypertension and cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org