<http://webisa.webdatacommons.org/prov/98808996>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/151550309> .
<http://webisa.webdatacommons.org/prov/58973985>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/151550309> .
<http://webisa.webdatacommons.org/151550309>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/151550309>	<http://www.w3.org/ns/prov#value>	"Synthetic grafts made from materials such as Gore-Tex and Dacron have been used and the results have been variable." .
<http://webisa.webdatacommons.org/151550309>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<prostate.net> .