@article{articlea4db988e,
title   = {Valvuloplastia e gravidez},
author = {Esteves, C A and Braga, S N and Mattos, L A and Andrade, J and Meneghelo, Z M and Ramos, A I and Lira, N E M},
year = {1991},
journal   = {Boletim do Grupo de Estudos das Cardiopatias Na Gravidez}
}