Is exfoliative bile cytology useful in the diagnosis of graft complications in liver transplantation?

1. Carrasco, L.
2. Sanchez-Bueno, F.
3. Sola, J.
4. Acosta, F.
5. Ramirez, P.
6. Robles, R.
7. Flores, B.
8. Parrilla, P.