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Subject Area:Audiology and Speech
Journal: Practica Oto-Rhino-Laryngologica
Practica Oto-Rhino-Laryngologica (1971) 33 (1): 18–25.
Published Online: 06 January 2010
... and careful Cervical lymphnodcs examinations of all systems, it was not possible to dis- Metastases cover the primary cancerous focus. Many clinicians think that these tumors arise from epithelial degeneration of bronchial embryonic remnants in the latero-cervical region and group, without any anatomo...