Predictive factors for simultaneous distant metastasis in head and neck cancer patients during the diagnostic work-up

1. Chiesa-Estomba, C.M.
2. Soriano-Reixach, M.
3. Larruscain-Sarasola, E.
4. Sistiaga-Suarez, J.A.
5. González-García, J.A.
6. Sanchez-Martin, A.
7. Basterretxea-Badiola, L.
8. Sagastibelta, N.
9. Altuna-Mariezcurrena, X.