Vertical banded gastroplasty converted to Roux-en-Y gastric bypass: Little impact on nutritional status after 5-year follow-up

1. Ortega, J.
2. Sala, C.
3. Flor, B.
4. Jiménez, E.
5. Escudero, M.D.
6. Martinez-Valls, J.
7. Lledo, S.