Pinto Valdester Cavalcante, Fraga Maria de Nazaré de Oliveira, Freitas Sílvia Maria de, Croti Ulisses Alexandre
Federal University of Ceará-Heart Institute for Children and Teenagers, Av University, 2853 Benfica, Fortaleza, Ceará, Brazil.
Rev Bras Cir Cardiovasc. 2013 Jun;28(2):256-62. doi: 10.5935/1678-9741.20130036.