PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He reported on a study in which ???closure of the common heart defect in patients resulted in significant reduction or even cessation of migraines.??? It appears that the majority of the patients had suffered a neurological event such as a stroke.
http://www.w3.org/ns/prov#wasQuotedFrom
  • headaches.org