Nadolol plus isosorbide mononitrate alone or associated with band ligation in the prevention of recurrent bleeding: A multicentre randomised controlled trial

1. García-Pagán, J.C.
2. Villanueva, C.
3. Albillos, A.
4. Bañares, R.
5. Morillas, R.
6. Abraldes, J.G.
7. Bosch, J.