4Inglis AFJ,Wagner DV.Lower complication rates associated withbronchial foreign bodies over the last 20years.Annoto Rhinol Laryngol,1992,101:61-66.
5Tokar B, Ozkan R, Tlhan H. Tracheobroncbial foreign bodies in children: importance of accurate history and plain chest radio- graphy in delayed pres--entation[J]. Clin Radiology, 2004, 59 (7): 609--615.
9Senkayal, SagdleK, GebitekinC, et al. Management of foreignSody aspiration in infancy and childhood:A life threatening Problem[J]. TurkJPedatr, 1997,39(3) : 353-- 36.
