About: http://webisa.webdatacommons.org/239828453

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	It forces the heart to work harder to circulate the blood and can lead to serious problems such as heart attack or heart failure, according to WebMD. Symptoms of heart valve disease include:
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com