About: http://webisa.webdatacommons.org/407621839

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 has been surprisingly discovered that one source for these atrial premature contractions originates deep within vessels associated with the heart, in particular the pulmonary veins.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es