About: http://webisa.webdatacommons.org/299933118

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	Alternatively or additionally, instead of spikes, the ???spike??? portion is a relatively continues surface, such as a band, which surface can evert in a manner similar to a rivet, and thereby engage the blood vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es