2Zaytoun GM, Rouadi PW, Baki DH. Endoscopic management of foreign bodies in the tracheobronchial tree: predictive factors for complications[J]. Otolaryngol Head Neck Surg, 2000, 123(3): 311-316.
3Black RE, Johnson DG, Matlak ME. Bronchoscopic removal of aspirated foreign bodies in children[J]. J Pediatr Surg, 1994, 29(3): 682-684.
4Senkaya I, Sagdic K, Gebitekin C, et al. Management of foreign body aspiration in infancy and childhood: A life-threatening problem[J]. Turk J Pediatr, 1997, 39(3): 353-362.
5Hughes CA, Baroody FM, Marsh BR. Pediatric tracheobronchial foreign bodies: historical review from the Johns Hopkins Hospital[J]. Ann Otol Rhinol Laryngol, 1996, 105(7): 555-561.