1. Aerodynamic characteristics of the Nijdam voice prosthesis in relation to tracheo-esophageal wall thickness

   • A. Veenstra
   • F. J. A. van den Hoogen
   • G. J. Verkerke

   Original Paper Pages: 1 - 5

2. Enhanced epithelial proliferation due to elevated levels of interleukin-1 receptors in middle ear cholesteatomas

   • J. Bujia
   • C. Kim
   • E. Kastenbauer

   Original Paper Pages: 6 - 8

3. Gentamicin ototoxicity induced apoptosis of the vestibular hair cells of guinea pigs

   • T. Nakagawa
   • H. Yamane
   • Y. Nakai

   Original Paper Pages: 9 - 14

4. Temporal bone findings in trisomy 18 and 21 syndromes

   • V. Chrobok
   • E. Šimáková

   Original Paper Pages: 15 - 18

5. Announcements

   Announcement Pages: 18 - 18

6. The nasopharyngeal bacterial flora in children with otitis media with effusion

   • I. Fujimori

   Letter to the Editors Pages: 19 - 19

7. Malignant schwannoma of the sympathetic chain, combined with plexiform neurofibromas of the tongue and larynx in a patient with von Recklinghausen's disease

   • J. Handžić-Ćuk
   • S. Simović
   • Ž. Bumber

   Letter to the Editors Pages: 20 - 21

8. Subjective and objective findings in craniofacial pain and chronic rhinosinusitis

   • K. Naito
   • T. Oyama
   • S. Iwata

   Letter to the Editors Pages: 22 - 22

9. Proceedings of the 1997 annual meeting of the German Society for Oto-Rhino-Laryngology — Head and Neck Surgery (Deutsche Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie) 16–22 May 1997, Aachen

   • A. D. Kornblut
   • U. Ganzer

   Proceedings Pages: 23 - 64