PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many of these drugs are more commonly used in treatment of cancer and rheumatoid arthritis such as cyclophosphamide, methotrexate and interferon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com