About: http://webisa.webdatacommons.org/338310922

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	Physicians use this procedure to look for any abnormalities in the physical structures of the heart, including the heart chambers, valves, and associated blood vessels.
http://www.w3.org/ns/prov#wasQuotedFrom	seemyheart.org