8Burton DM,Stith JA.Extraluminal esophageal coin erosion in children:Case report and review[J].Int J Pediatr Otorhinolaryngol,1992,23(2):187-194. 被引量:1
9Weber R,Jaspersen D,Draf W.Foreign bodies of the esophagus and upper gastrointestinal tract in childhood[J].Laryngorhinootologie,1993,72(9):455-458. 被引量:1