PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Opioid receptors are located in the brain stem, important for automatic processes critical for life, such as breathing, blood pressure, and arousal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usnodrugs.com