1. How vulnerable is the recurrent laryngeal nerve in esophageal surgery?;McCullagh,1988
2. Recurrent laryngeal nerve palsy;Hiebert,1995
3. Esophagectomy without thoracotomy;Orringer;J Thorac Cardiovasc Surg,1983
4. Complications of esophageal surgery;Orringer,1991
5. Recurrent laryngeal nerves;Skandalakis;Am Surg,1976