Usefulness of routine transesophageal echocardiography in mitral valves surgery - Medeiros, C C J; Moraes, A V; Angelim, V; Graziosi, P; Cerri, Giovanni Guido; Pomerantzeff, Pablo Maria Alberto; Verginelli, Geraldo; Bellotti, Giovanni; Jatene, Adib; Pileggi, F (Congress Cardiac Doppler Society, 1994)