[Laryngotracheal reconstruction with cryopreserved aortic allograft as a salvage technique when cricotracheal resection complications occur in paediatrics]
1 Servicio de Endoscopia Respiratoria, Hospital de Pediatría «Prof. Dr. Juan P. Garrahan», Buenos Aires, Argentina.
2 Servicio de Endoscopia Respiratoria, Hospital de Pediatría «Prof. Dr. Juan P. Garrahan», Buenos Aires, Argentina. Electronic address: giselle_cuestas@yahoo.com.ar.