Geis, Nicolas A Using the GOREŽ Septal Occluder (GSO) in challenging patent foramen ovale (PFO) anatomies. [electronic resource] - Journal of interventional cardiology Apr 2015 - 190-7 p. digital Publication Type: Journal Article ISSN: 1540-8183 Standard No.: 10.1111/joic.12181 doi Subjects--Topical Terms: AdultCardiac Catheterization--instrumentationEquipment DesignFemaleFollow-Up StudiesForamen Ovale, Patent--complicationsHumansMaleMiddle AgedRetrospective StudiesSeptal Occluder DeviceStroke--prevention & controlTreatment Outcome