1. Tumors of the nasal cavity and paranasal sinuses, nasopharynx, oral cavity and oropharynx;Schantz,1997
2. Prognostic factors in cancer,2001
3. UICC TNM classification of malignant tumors,1997
4. Anterior transcranial (craniofacial) resection of tumors of the paranasal sinuses;McCutcheon;Neurosurgery,1996
5. Cancer of the nasal cavity and ethmoid/sphenoid sinuses;Ellingwood;Cancer,1979