Epicardial left atrial appendage occlusion with a new medical device: assessment of procedural feasibility, safety and efficacy in a large animal model oleh Maximilian Y. Emmert, Michael S. Firstenberg, Arthur T. Martella, Liming Lau, Stephen Zlock, Ashik Mohan, Taylor Spangler, Sarah Currie, Sacha P. Salzberg, Etem Caliskan