About: http://webisa.webdatacommons.org/107739563

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	To overcome this problem, different types of mechanical devices have been developed which intermittently apply external pressure directly to the heart.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com