Cone-beam CT versus Multidetector CT in Postoperative Cochlear Implant Imaging: Evaluation of Image Quality and Radiation Dose ============================================================================================================================== * R.A. Helal * R. Jacob * M.A. Elshinnawy * A.I. Othman * I.M. Al-Dhamari * D.W. Paulus * T.T. Abdelaziz