PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus, initiating such as study seems to be almost next-to-impossible, since healthcare and research funding is decreasing throughout the world; further, commercial manufacturers of vasopressin have not much interest in this drug since the patent of vasopressin has expired ???50 years ago.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxfordjournals.org