PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ClinicalTrials.gov, a service of the National Institutes of Health (NIH) developed by the National Library of Medicine, is a searchable database containing information on clinical trials for many diseases and conditions, including cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.gov