Percutaneous Device to Narrow the Coronary Sinus: Shifting Paradigm in the Treatment of Refractory Angina? oleh Daniela Benedetto, Masieh Abawi, Pieter R Stella, Freek Nijhoff, Maxime D.M. Lakemeier, Friso Kortlandt, Pieter A. Doevendans, Pierfrancesco Agostoni, Pierfrancesco Agostoni