About: http://webisa.webdatacommons.org/256921999

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	Angina pectoris serves as a useful warning of insufficient myocardial perfusion which can lead to the more serious situation such as a heart attack or cardiac arrhythmia.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com