About: http://webisa.webdatacommons.org/233167925

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 prosthesis 72 is preferably comprised of a material, such as Nitinol, a nickel titanium alloy, that is flexible yet retains a preformed shaped that results in an inward radial pressure on the valve annulus 30.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com