About: http://webisa.webdatacommons.org/321645130

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	Membranes might be fashioned of silicone, polypropylene, polyester, SURLYN, PEBAX, polyethylene, polyurethane or other biocompatible materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk