PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These ???microbicides??? contain surfactants, such as nonoxynol-9 (N-9),
http://www.w3.org/ns/prov#wasQuotedFrom
  • cellandbioscience.com