About: http://webisa.webdatacommons.org/298555519

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	Heart valve disease that occurs later in life can be caused by infections such as rheumatic fever or endocarditis (infection of the heart valves), heart attack, high blood pressure, and heart muscle disease.
http://www.w3.org/ns/prov#wasQuotedFrom	canada.com