About: http://webisa.webdatacommons.org/159257833

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 heart attack is caused when there is a blockage, such as a blood clot, in one or more arteries of the heart, preventing the heart from receiving enough blood, resulting in damage to the heart muscle.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com