PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alarm symptoms such as dysphagia, anaemia, gastrointestinal bleeding or obstruction, marked weight loss
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov