About: http://webisa.webdatacommons.org/51969059

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 utilization of a imaging element (108) located at the distal end of a medical instrument, such as a balloon catheter, for purposes of visualizing objects from the point of interest is referred to herein as ???direct visualization???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com