About: http://webisa.webdatacommons.org/169778415

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	Because patients often live symptom-free until middle-age, these defects are often only found by chance, during an electrocardiogram or other examination.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com