Memory and Learning Effects Of Removable Anterior Expansion Screw on Speech Intelligibility In a Group of Egyptian Children Study of The Role of Human Papilloma Virus and Laryngopharyngeal Reflux in Adult Vocal Fold Polyps Three ounce Water Swallow Test versus Fiberoptic Endoscopic Evaluation of Swallowing for Evaluation of Laryngeal Aspiration The Validation of the Voice-Related Quality of Life (V-RQOL): Arabic version A new technique of palatal implantation using platelet rich plasma and septal cartilage for management of obstructive sleep apnea