@misc{miscc15e3526,
title   = {Evolucao tardia das bioproteses: estudo comparativo},
author = {Amato, M C M and Pomerantzeff, Pablo Maria Alberto and Grinberg, M and Bellotti, Giovanni and Pileggi, F},
year = {1991},
booktitle   = {Congresso Paulista de Cardiologia}
}