PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The language ???substantially free of chemical precursors or other chemicals??? includes preparations of HATF-1 and HRP-1 protein in which the protein is separated from chemical precursors or other chemicals which are involved in the synthesis of the protein.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com