About: http://webisa.webdatacommons.org/180755724

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 flexible, hollow tubular structure generally comprises the same elements as the flexible, solid tubular structure disclosed above, except however, for the axial channel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es