Ferreira Fátima Gil, Silva Rita de Cassia Gengo E, Gonçalves Cecília Helena Bueno, Palomo Jurema da Silva Herbas
Heart Institute (InCor), Clinical Hospital, University of Sao Paulo Medical School, Brazil.
Rev Bras Cir Cardiovasc. 2011 Apr-Jun;26(2):301-2. doi: 10.1590/s0102-76382011000200024.