PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Opioids are illicit or prescribed drugs, such as heroin, morphine, OxyContin, and methadone that bind to opioid receptors located in the nervous system (especially the brain and digestive tract).
http://www.w3.org/ns/prov#wasQuotedFrom
  • careacttarget.org