Applicability of Ambler's risk score to patients who have undergone valve replacement with bovine pericardial bioprosthesis

Gustavo DE BACCO; Mateus W. DE BACCO; João Ricardo Michelin Sant'Anna; Marisa F Santos; Roberto T. Sant'Anna; Paulo Roberto Prates; Renato A.K. KALIL; Ivo A Nesralla

Braz J Cardiovasc Surg. 2008;23(3):336-343