Echocardiographic assessment after surgical repair of Tetralogy of Fallot oleh Mario eCarminati, Francesca Romana Pluchinotta, Luciane ePiazza, Angelo eMicheletti, Diana eNegura, Massimo eChessa, Gianfranco eButera, Carmelo eArcidiacono, Antonio eSaracino, Claudio eBussadori