<http://webisa.webdatacommons.org/359783452>	<http://www.w3.org/ns/prov#value>	"expanded polytetrafluoroethylene (ePTFE) and polyethylene terephthalate (PET), or less porous materials such as polyurethanes, absorbable polymers, and combinations or variations thereof. Grafts may be formed using a lyophilization process." .
<http://webisa.webdatacommons.org/359783452>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/359783452>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/55401324>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/359783452> .