| Affiliation: | 1. Department of Otorhinolaryngology, Eregli State Hospital, , Zonguldak;2. Department of Neurology, Adiyaman University Training and Research Hospital, , Adiyaman;3. the Chief of Department of Neurology, Tepecik Training and Research Hospital, , Izmir;4. the Chief of Department of Otorhinolaryngology, Tepecik Training and Research Hospital, , Izmir;5. the Department of Biochemistry, Dokuz Eylul University School of Medicine, , Izmir, Turkey;6. the Biochemical Science Division, National Institute of Standards and Technology, , Gaithersburg, MD, U.S.A |
