PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although a planned anterior vitrectomy may be performed in such settings as traumatic cataract removal or secondary IOL placement, this procedure is most often an unplanned ???and unwelcome???addition to a cataract surgery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aao.org