Erratum: 20 Years' experience in the management of Zenker's diverticulum in a third-level hospital (Revista Espanola de Enfermedades Digestivas 98, 6, (429-435))

1. Ruiz Tovar, J.
2. Pérez De Oteyza, J.
3. Collado, M.V.
4. Rojo, R.
5. García Villanueva, A.