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<http://webisa.webdatacommons.org/230687219>	<http://www.w3.org/ns/prov#value>	"The blood vessels preferably are tubular in cross-section and may be formed from a material such as GORTEX, DACRON or other material which simulates synthetic vascular tissue." .
<http://webisa.webdatacommons.org/prov/104707032>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/230687219> .
<http://webisa.webdatacommons.org/230687219>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/98808996>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/230687219> .