2SWANSON K L,EDELL E S.Tracheobronchial foreign bodies[J].Chest Surg Clin N Am,2001,11:861-872.
3DONADO UNA J R,DE MIGUEL POCH E,CASADO LOPEZ M E,et al.Fiber optic bronchoscopy in extraction of tracheo-bronchial foreign bodies in adults[J].Arch Bronconeumol,1998,34:76-81.
4MOURA E SA J,OLIVEIRA A,CAIADO A,et al.Tracheobronchial foreign bodies in adults-experience of the Bronchology Unit of Centro Hospitalar de Vila Nova de Gaia[J].Rev Port Pneumol,2006,12:31-43.
