PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Patient unwilling or unable to give informed consent, or unable to comply with the protocol including required follow-up and testing
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov