About: http://webisa.webdatacommons.org/453715185

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	Preferably, the frame structure will be formed of a material such as NiTi that will exert a constant force on the vessel wall, compensating for any enlargement of the vein due to the changes in pressure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com