A new guidewire cannulation technique in ERCP: Successful deep biliary access with triple-lumen sphincterotome and guidewire controlled by the endoscopist

1. López, A.
2. Ferrer, I.
3. Villagrasa, R.A.
4. Ortiz, I.
5. Maroto, N.
6. Montón, C.
7. Hinojosa, J.
8. Moreno-Osset, E.