Long term results of surgical sphincterotomy in the treatment of choledocholithiasis

1. Ramirez, P.
2. Parrilla, P.
3. Bueno, F.S.
4. Abad, Y.M.P.
5. Muelas, M.S.
6. Candel, M.F.
7. Robles, R.
8. Lujan, J.
9. Pellicer, E.