
Prof. Samia El Sayed πͺπ¬
Professor of Phoniatrics and swallowing disorders, Department of Otolaryngology
Faculty of Medicine, Ain shams University
Ain Shams Specialized hospital, Cairo, Egypt
Professor of Phoniatrics and swallowing disorders, Department of Otolaryngology
Faculty of Medicine, Ain shams University
Ain Shams Specialized hospital, Cairo, Egypt