About: http://webisa.webdatacommons.org/59883245

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	The other type of heart valve prosthesis utilizes a ball, a disc, valve leaflets or other mechanical devices to regulate the direction of blood flow through the prosthesis.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr