About: http://webisa.webdatacommons.org/230295583

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	Thus, only 20% of the amount of blood entering the valve can exit and the result is a tremendous strain on the heart and the valve, which may possibly lead to failure of both.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es