PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Substances such as aspirin and morphine do not have INNs because these names were already in wide use when the system began and they were well established names.
http://www.w3.org/ns/prov#wasQuotedFrom
  • who.int