Professor of Rhinology & Skull Base Surgery, Ain Shams University, Cairo, Egypt
Department of Oto-Rhino-Laryngology, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, Egypt.
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Professor of Rhinology & Skull Base Surgery, Ain Shams University, Cairo, Egypt
Department of Oto-Rhino-Laryngology, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, Egypt.