PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, navigation through the ductal tree is complicated by the fact that ERCP images are two-dimensional projections of the ductal tree, which can make the procedure technically difficult, especially if a tumour is in an anatomically complex region.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucl.ac.uk