PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Previous studies have demonstrated that folate deficiency can contribute to serious birth defects such as spina bifida or anencephaly.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chiroweb.com