PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The FDA calls thimerosal a ???mercury-containing organic compound . . . that has been widely used since the 1930s . . . as a preservative in many drugs, including vaccines.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • prisonplanet.com