About: http://webisa.webdatacommons.org/31677796

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	Active fixation of electrodes, particularly near their free ends, is required to prevent post implantation migration, yet such fixation creates the risk of epicardial lacerations, abrasions and other trauma.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk