Acquired tracheoesophageal fistula following disc-battery ingestion: can we watch and wait?
Grisel JJ, Richter GT, Casper KA, Thompson DM. Acquired tracheoesophageal fistula following disc-battery ingestion: can we watch and wait? Int J Pediatr Otorhinolaryngol. 2008 May; 72(5):699-706.