About: http://webisa.webdatacommons.org/137642159

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	A dye, for contrast, is also injected through the catheter to determine whether narrowing or blockages are present in the coronary arteries and to measure how well the heart valves and heart muscle function.
http://www.w3.org/ns/prov#wasQuotedFrom	qgazette.com