About: http://webisa.webdatacommons.org/229939092

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 valvular body, either single-piece or multi-piece, may comprise a homogeneous material, for example, a polymer such as polyurethane or other suitable elastomeric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca