PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mitral Valve Regurgitation ??? Mitral Valve regurgitation, also called insufficiency, is a condition that occurs when the leaflets of the mitral valve do not close completely, letting blood leak backward across the valve.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clevelandclinic.org