Applicability of Ambler's risk score to patients who have undergone valve replacement with bovine pericardial bioprosthesis
Gustavo DE BACCOI; Mateus W. DE BACCOII; João Ricardo Michelin Sant'AnnaIII; Marisa F SantosIV; Roberto T. Sant'AnnaV; Paulo Roberto PratesVI; Renato A.K. KALILVII; Ivo A NesrallaVIII