<http://webisa.webdatacommons.org/prov/57766999>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/303753087> .
<http://webisa.webdatacommons.org/303753087>	<http://www.w3.org/ns/prov#value>	"The expansile number may optionally be coated with materials such as silicones, polytetra-fluoroethylene (PTFE), hydrophilic materials like hydrated hydrogels and other lubricious materials to aid in separation of the polymer coating." .
<http://webisa.webdatacommons.org/303753087>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/303753087>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .