Original articles Clinical and hemodynamic evaluation of 21 mm and 23 mm Cryolife-O’Brien stentless bioprostheses implanted in the aortic position

Giorgio Morocutti; Lorenzo Porreca; Romeo Frassani; Sandro Gelsomino; Ugolino Livi

Original articles Clinical and hemodynamic evaluation of 21 mm and 23 mm Cryolife-O’Brien stentless bioprostheses implanted in the aortic position