Effectiveness of infliximab in the treatment of perianal fistulas in ulcerative colitis: Report of two cases

1. de la Piscina, P.R.
2. Duca, I.
3. Estrada, S.
4. Spicakova, K.
5. Calderón, R.
6. Urtasun, L.
7. Marra-Lópeza, C.
8. Salvadora, M.
9. Delgadoa, E.
10. Camposa, F.G.