PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The commencement and completion of clinical studies can be delayed for a variety of reasons, including difficulties and delays related to: ??
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov