PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • some medications (hydroxyurea, corticosteroids and other immunosuppressants, chemotherapy, etc.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov