About: http://webisa.webdatacommons.org/229077296

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	Vascular ePTFE grafts are made by a paste extrusion process wherein PTFE including a lubricant is extruded into a tubular shape.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com