1Simonds,AK.Dirving J.Clarke S.et al.Use of expendable metal stents in the treatment of bronchial obstruction[J].Thorax,1989.44(8):680-681.
2Toja T ,Lioka S, Maeda M. Managernent of malignant tracheobronchial stenonsis with Metai stents and Dumon stents[J]. Ann Thorac Surg, 1995,61 (4):1074- 1078.