About: http://webisa.webdatacommons.org/406851963

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 valve member 620 is desirably formed of an elastic, biocompatible material, such as silicone, although other materials can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es