Prognostic significance of vascular endothelial growth factor and cyclooxygenase-2 in patients with rectal cancer treated with preoperative radiotherapy

1. Giralt, J.
2. Navalpotro, B.
3. Hermosilla, E.
4. De Torres, I.
5. Espin, E.
6. Reyes, V.
7. Cerezo, L.
8. De Las Heras, M.
9. Ramon Y Cajal, S.
10. Armengol, M.
11. Benavente, S.