<http://webisa.webdatacommons.org/193070809>	<http://www.w3.org/ns/prov#value>	"This same valve may comprise valve leaflets made of biological material (preserved animal or human valve leaflets) or valve leaflets made of a synthetic material such as a polymer." .
<http://webisa.webdatacommons.org/prov/47793098>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/193070809> .
<http://webisa.webdatacommons.org/193070809>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/193070809>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .