PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Substance abuse ??? smoking cigarettes and drug use, particularly cocaine, marijuana and alcohol use, can result in placental insufficiency. [17]
http://www.w3.org/ns/prov#wasQuotedFrom
  • kidspot.com.au