PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Finally, only devices, pharmaceuticals, and biological agents require regulatory approval in the United States and other countries, meaning that trials examining other types of interventions (e.g., surgery, education)???which constitute 20% of published randomized trials [24]???would be excluded from reviews of regulatory agency documents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov