2Flores J,Shiiy N,Kunihara T,et al.Aortoesophageal fistula:alternatives of treatment case report and literature review.Ann Thorac Cardiovasc Surg,2004,10:241-246.
3da Silva ES,Tozzi FL,Otochi JP,et al.Aortoesophageal fistula cansed by aneurysm of the thoracic aorta:successful surgical treatment,case report,and literature review.J Vasc Surg,1999,30:1150-1157.