4Even L, Heno N, Talmon Y, et al. Diagnostic evaluation of foreign body aspiration in children: a prospective study [ J ] . J Pediatr Surg, 2005, 40:1122.
4Tomaske M, Gerber AC, Stocker S, et al. Tracheobronchial foreign body aspiration in children-diagnostic value of symptoms and signs. Swiss Med Wkly, 2006, 136: 533-538.
5Even L, Heno N, Talmon Y, et al. Diagnostic evaluation of foreign body aspiration in children: a prospective study. J Pediatr Surg, 2005, 40: 1122-1127.
6BENER A, AL-SALMAN KM, BENER A, et al. Injury mortality and morbidity among children in clnited arab emionates[J]. Eur J epidemid, 1998,14 : 175-177.
