PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the subject is a female of childbearing potential, she must be not pregnant or breast-feeding and be using a reliable method of contraception.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov