About: http://webisa.webdatacommons.org/208080413

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	A valve is disposed at the proximal end portion of the elongated body, the valve including a valve body movable between a closed position and an open position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com