PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Enkephalins are part of the endogenous opioid system, which modulates learning and memory and other brain functions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com