About: http://webisa.webdatacommons.org/147553408

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 centreline has the purpose of aiding in aligning e.g. a hypodermic needle with the displayed image of a blood vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de