Doppler flow evaluation can anticipate abnormal left lung perfusion after transcatheter closure of patent ductus arteriosus - Soares, Andressa M.; Aiello, Vera D.; Andrade, José L.; Kajita, Luis J.; Soares Junior, José; Morhy, Samira S.; Mathias Junior, Wilson; Lopes, Antonio A. B.; Ramires, José A. F. (European Heart Journal, 2004)