PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The FAQs section in the About ORDR link states that a rare disease is a disease or condition affecting fewer than 200,000 persons in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amser.org