Evaluation of Distortion Product Otoacoustic Emissions before and after Stapes Surgery

From the Department of Neurology and Otolaryngology, University of Rome ÒLa SapienzaÓ, Rome, Italy.

From the Department of Neurology and Otolaryngology, University of Rome La Sapienza, Rome, Italy.

Department of Neurology and Otolaryngology, University La Sapienza, Viale del Policlinico