About: http://webisa.webdatacommons.org/48871771

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If you judge that a heart is an organ and an artificial heart is not, then there have been mechanical hearted people for over two decades.
http://www.w3.org/ns/prov#wasQuotedFrom	neatorama.com