PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For severe porphyria, chelating and other agents may be administered, singularly or in combination, to reduce levels of porphyrins in the blood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com