PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Considerable attention has been given to mercury and other environmental toxins that cause oxidative stress,26,27 and scientists are conducting further studies to determine if mercury in the environment and mercury preservatives in vaccines are casually linked to autism.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lef.org