The expression of epidermal growth factor receptor results in a worse prognosis for patients with rectal cancer treated with preoperative radiotherapy: A multicenter, retrospective analysis

1. Giralt, J.
2. De Las Heras, M.
3. Cerezo, L.
4. Eraso, A.
5. Hermosilla, E.
6. Velez, D.
7. Lujan, J.
8. Espin, E.
9. Rossello, J.
10. Majó, J.
11. Benavente, S.
12. Armengol, M.
13. De Torres, I.