PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thimerosal is a mercury-containing preservative used in some vaccines and other products since the 1930s.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ageofautism.com