PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heartburn is the main symptom of Gastroesophageal Reflux Disease (GERD), which, accompanied by acid regurgitation and other symptoms, has a substantial negative impact on a patients' quality of life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov