About: http://webisa.webdatacommons.org/38673529

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	The tubular graft may be provided from a polymeric material, such as polyester, polytetrafluorethaline, Dacron, Teflon, and polyurethane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com