PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contact lenses can be subject to a build-up of micro-organisms and deposits such as protein.
http://www.w3.org/ns/prov#wasQuotedFrom
  • keratoconusgb.com