PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A pterygium is a fibrovascular growth originating from the conjunctiva that grows onto the surface of the cornea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov