1. Tracheobronchial tumours: an eighteen-year series from Capital Hospital;LT, I.Xu; ZF, Sun; ZJ, Li; LH, Wu; ZZ, Wang,1983
2. Case reports: Tracheal polyp;Jay, S.;Clin Notes Respir Dis,1979
3. Tracheal obstruction presenting as asthma;Parrish, R.W.; Banks, J.; Fennerty, A.G.;Postgrad Med J,1983
4. Politis J, Funahashi A, Gehlsen J, et al. Intrathoracic lipomas. J Thorac Cardiovasc Surg 1979;77:550-6.
5. Accepted I,1989