Presentation TCT 2013 Contrast Agent and Radiation Exposure in Revascularisation of Chronic Coronary Total Occlusions: Magnetic Navigation versus Conventional Percutaneous Coronary Intervention Presenter: Sabine Scherzer, Berger Rudolf, Lisa Krenn, Clemens Gangl, Christian Roth, Natalija Lajic, Georg Delle Karth, Thomas Neunteufl January 31, 2013