PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During treatment, the source is preferably located within a specially designed tip of platinum iridium (Pt/Ir), or other suitable material, that provides for directional administration of the radiation with controlled intensity, while shielding and protecting the retina and other surrounding non-target tissues.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com