Late results with an heterologous aortic porcine bioprosthesis

Renato A. K Kalil; João Ricardo Sant'Anna; Júlio E Schoer; Paulo Roberto Prates; Fernando A Lucchese; Edemar M Pereira; Altamiro R Costa; Ivo A Nesralla

Braz J Cardiovasc Surg. 1989;4(1):84-89