da Silveira, João Brum2024-07-232024-07-232023-05da Silveira JB. Percutaneous treatment for refractory angina with the coronary sinus Reducer: A multicenter initial experience. Rev Port Cardiol. 2023;42(5):421-422. doi:10.1016/j.repc.2023.02.0070870-25512174-2030http://hdl.handle.net/10400.16/3024engPercutaneous treatment for refractory angina with the coronary sinus Reducer: A multicenter initial experiencejournal article10.1016/j.repc.2023.02.007