Do, A. T., and T. B. Luong. “Surgical Outcomes of Total Correction for Tetralogy of Fallot With Severe Pulmonary Valve Annulus Hypoplasia Using Contegra Conduit at the Cardiovascular Center, E Hospital”. The Vietnam Journal of Cardiovascular and Thoracic Surgery, vol. 50, Apr. 2025, pp. 94-102, doi:10.47972/vjcts.v50i.1308.