About: http://webisa.webdatacommons.org/20925458

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	The number and kinds of variables that exist make an accurate a priori prediction of the lifetime of a given cardiac pacer simply out of the question.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com