Endoscopic Endonasal Partial Middle Turbinectomy Approach: Adaptability of the Procedure in a Cadaveric Study and in Surgery for Different Sphenoid Sinus and Skull Base Lesions - El-Banhawy, Omar A; El-Dien, Abd El-Hafiz Shehab; Zolfakar, Ahmed Said; Halaka, Ahmed N; Ayad, Heshmat (Skull Base, 2006)