Ascending aortic aneurysm after pediatric heart transplantation: case report of an unusual complication - Jatene, Fabio Biscegli; Azeka, Estela; Atik, Edmar; Riso, Arlindo; Tanamati, Carla; Marcial, Miguel Barbero; Oliveira, Sergio Almeida de (The Journal Heart Lung Transplantation, 2005)