About: http://webisa.webdatacommons.org/31690598

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	Accordingly, there is a need for an improved heart valve prosthesis that overcomes the shortcomings of present heart valves.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca