PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Infections such as rheumatic fever and bacterial endocarditis can lead to valve damage. [0004] The first prosthetic valvular device was implanted in 1952, and a variety of mechanical, bioprosthetic, and homograft valves are presently in use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com