PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The treatment is known as chelation therapy.A chelating agent is a chemical compound that is used to trap or remove heavy metal such as lead.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalpost.com