title: SURGICAL EXPOSURE OF PETROUS PORTION OF 7TH NERVE.
mesh_terms: D007758:Ear, Inner; D005154:Facial Nerve; D006801:Humans; D009493:Neurosurgery; D019635:Neurosurgical Procedures; D010579:Petrous Bone
keywords: FACIAL NERVE; LABYRINTH; NEUROSURGERY; PETROUS BONE