About: http://webisa.webdatacommons.org/359483133

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	Additionally, the lower base portion may include anchors, such as barbs or hooks, in order to help fix the scaffold within the valve annulus or bioprosthesis and to further reduce paravalvular leakage.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com