A comparison of the fully repositionable and retrievable Boston Lotus and direct flow medical valves for the treatment of severe aortic stenosis: A single center experience
1. Interventional Cardiology, San Raffaele Hospital, Milan, Italy;2. EMO‐GVM Centro Cuore Columbus, Milan, Italy;3. Cardiac Surgery Unit, San Raffaele Hospital, Milan, Italy;4. Clinical Cardiology, San Raffaele Hospital, Milan, Italy