PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The patient is a minor, intravenous drug user, alcohol abuser, prisoner, institutionalized, or is unable to give informed consent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov