Lymph node metastasis in level IIb in oropharyngeal squamous cell carcinoma: a multicentric, longitudinal, retrospective analysis

1. Chiesa-Estomba, C.M.
2. Urazan, J.D.
3. Cammaroto, G.
4. Mannelli, G.
5. Molteni, G.
6. Dallari, V.
7. Lechien, J.R.
8. Mayo-Yanez, M.
9. González-García, J.Á.
10. Sistiaga-Suarez, J.A.
11. Tucciarone, M.
12. Ayad, T.
13. Meccariello, G.