Training and new indications for double balloon endoscopy (with videos){A figure is presented}

1. Pérez-Cuadrado, E.
2. Latorre, R.
3. Carballo, F.
4. Pérez-Miranda, M.
5. Martín, A.L.
6. Shanabo, J.
7. Esteban, P.
8. Torrella, E.
9. Mas, P.
10. Hallal, H.