PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other opioids include drugs such as morphine, codeine, pethidine, oxycodone, opium, methadone and buprenorphine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adf.org.au