Outcomes after Pulmonary Valve-Preserving Correction of Tetralogy of Fallot Using Intraoperative Pulmonary Valve Annulus Balloon Dilatation - Grieshaber, P.; Uzdenov, M.; Jaschinski, C.; Arnold, R.; Karck, M.; Gorenflo, M.; Loukanov, T. (The Thoracic and Cardiovascular Surgeon, 2023)