1. Immaterial rights in medical research

   Editorial Pages: 371 - 371

2. Spinal fusions: bone and bone substitutes

   • D. G. Marchesi

   Review Pages: 372 - 378

3. Range of global motion of the cervical spine: intraindividual reliability and the influence of measurement device

   • A. F. Mannion
   • G. N. Klein
   • C. Lanz

   Original article Pages: 379 - 385

4. Combined injuries in the upper cervical spine: clinical and epidemiological data over a 14-year period

   • V. Gleizes
   • F. P. Jacquot
   • J.-M. G. Féron

   Original article Pages: 386 - 392

5. CT-guided internal fixation of a hangman’s fracture

   • S. Taller
   • P. Suchomel
   • J. Beran

   Original article Pages: 393 - 397

6. A meta-analysis of autograft versus allograft in anterior cervical fusion

   • T. Floyd

   Original article Pages: 398 - 403

7. Atlantoaxial immobilization in rheumatoid arthritis: a prophylactic procedure?

   • D. Grob

   Original article Pages: 404 - 409

8. Primary stabilizing effect of interbody fusion devices for the cervical spine: an in vitro comparison between three different cage types and bone cement

   • H.-J. Wilke
   • A. Kettler
   • L. Claes

   Original article Pages: 410 - 416

9. Biomechanical evaluation of a new modular rod-screw implant system for posterior instrumentation of the occipito-cervical spine: in-vitro comparison with two established implant systems

   • M. Richter
   • H.-J. Wilke
   • W. Puhl

   Original article Pages: 417 - 425

10. Osteoid osteoma of the cervical spine depicted as dumbbell tumor by MRI

    • M. Matsuura
    • H. Nakamura
    • Y. Yamano

    Case report Pages: 426 - 429

11. Traumatic vertical atlantoaxial instability: the risk associated with skull traction. Case report and literature review

    • R. V. Botelho
    • A. M. de S. Palma
    • E. A. F. Fontoura

    Case report Pages: 430 - 433

12. Haemangioblastoma of a cervical sensory nerve root in Von Hippel-Lindau syndrome

    • A. W. McEvoy
    • E. Benjamin
    • M. P. Powell

    Case report Pages: 434 - 436

13. Vertebral body replacement with a bioglass-polyurethane composite in spine metastases – clinical, radiological and biomechanical results

    • M. Schulte
    • M. Schultheiss
    • L. Claes

    Original article Pages: 437 - 444

14. Percutaneous transpedicular vertebroplasty with PMMA: operative technique and early results

    • P. F. Heini
    • B. Wälchli
    • U. Berlemann

    Original article Pages: 445 - 450

15. A simplified Galveston technique for the stabilisation of pathological fractures of the sacrum

    • A. M. McGee
    • C. E. Bache
    • A. G. Thompson

    Ideas and technical innovations Pages: 451 - 454