Medtronic Issues Notification Regarding Certain Implantable Defibrillator Models
Information about implantable defibrillator from the US Food and Drug Administration
Medtronic: Marquis Family Device Update
The February 2005 Notification update from the manufacturer’s official website
MedlinePlus: Pacemakers and Implantable Defibrillators
Information from the National Library of Medicine and the National Institutes of Health