1. Diagnostically challenging lesions in head and neck pathology

   • L. D. R. Thompson

   Clinical Review Pages: 357 - 366

2. Announcements

   Announcement Pages: 366 - 366

3. Local effects of nitric oxide on vestibular blood flow in the Mongolian gerbil

   • J. G. Arenberg
   • D. A. Komjathy
   • W. S. Quirk

   Preliminary Report Pages: 367 - 371

4. Effectiveness of ribosomal fractions ofKlebsiella pneumoniae, Streptococcus pneumoniae, Streptococcus pyogenes, Haemophilus influenzae and the membrane fraction ofKp (Ribomunyl) in the prevention of clinical recurrences of infectious rhinitis

   • E. Serrano
   • J. P. Demanez
   • P. Van Cauwenberge

   Original Paper Pages: 372 - 375

5. Cytokeratin and vimentin expression in normal epithelium and squamous cell carcinomas of the larynx

   • L. -A. van der Velden
   • H. E. Schaafsma
   • W. Kuijpers

   Original Paper Pages: 376 - 383

6. Results of bone conduction following surgery for chronic ear disease

   • E. Vartiainen
   • J. Seppä

   Original Paper Pages: 384 - 386

7. A prospective study using rhinomanometry and patient clinical satisfaction to determine if objective measurements of nasal airway resistance can improve the quality of septoplasty

   • J. Sipilä
   • J. Suonpää

   Original Paper Pages: 387 - 390

8. Effects of botulinum toxin on vocal tract steadiness in patients with spasmodic dysphonia

   • P. Zwirner
   • T. Murry
   • G. E. Woodson

   Original Paper Pages: 391 - 395

9. Electron microscopic localization of nitric oxide I synthase in the organ of Corti of the guinea pig

   • U. -R. Heinrich
   • J. Maurer
   • W. Mann

   Original Paper Pages: 396 - 400

10. Aspiration and speech shunt stenosis in near-total laryngectomy patients

    • C. -Y. Su

    Original Paper Pages: 401 - 404