2Bonnard A,Auber F,Fourcade L,et al.Vascular ring abnormalities:a retrospective study of 62 cases.J Pediatr Surg,2003,38:539-543.
3Backer CL,Hillman N,Mavroudis C,et al.Resection of Kommerell's diverticulum and left subclavian artery transfer for recurrent symptoms after vascular ring division.Eur J Cardiothorac Surg,2002,22:64-69.