About: http://webisa.webdatacommons.org/134431090

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	Catheters of the prior art have generally been made of polymeric materials such as polystyrene, polycarbonate, polyurethane and polyacrylate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com