About: http://webisa.webdatacommons.org/147481808

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 outer surface of the coaxial graft may also be provided with a reinforcing structure such as rings or a helical structure of a material such as non-porous PTFE or fluorinated ethylene propylene (FEP).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com