PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Third, additional variables will be examined, such as age, race, sex, and menstrual phase in women.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov