A study of the effect of lidocaine and carbamazepine on ototacoustic emmission in tinnitus patients. Research Authors MY Enas Ramadan,Somia Tawfik,Muhammed Salama Research Date Thu, 1 Jan 1998 - 12:00 Research Department Department of Ear, Nose and Throat (ENT) Research Journal Assiut Medical Journal Research Member Inas Mostafa Othman Ramadan