1Stark J,et al.Fate of subpulmonary homograft conduits: Determinates of late homograft failure[].Journal of Thoracic and Cardiovascular Surgery.1998
2Agarwal KC,et al.Pathogenesis of nonobstructive fibrous peels in right side porcine valved extracardiac conduits[].Journal of Thoracic and Cardiovascular Surgery.1982