About: http://webisa.webdatacommons.org/440277029

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	heart stents or metal implants such as pacemakers, automatic defibrillator, aneurysm clips, vena cave slips, or skull plates
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov