Advances: Multiple Subpial Transection (C. E. Polkey); Hemispheric Disconnection: Callosotomy and Hemispherotomy (J.-G.
Villemure, O. Vernet, O. Delalande); Central Nervous System Lymphomas (H. Loiseau, E. Cuny, A. Vital, F. Cohadon); Invited
Commentary: Treatment of Diseases of the Central Nervous System Using Encapsulated Cells, by A. F. Hottinger and P.
Aebischer (Advances and Technical Standards in Neurosurgery Vol. 25) (A. E. Rosser, T. Ostenfeld, C. N. Svendsen).-
Technical Standards: The Intracranial Venous System as a Neurosurgeon’s Perspective (M. Sindou, J. Auque); Reconstructive
Surgery of the Extracranial Arteries (R. Schmid-Elsasser, R. J. Medele, H.-J. Steiger); Surgical Treatment of Lumbar
Spondylolisthesis (P. W. Detwiler, R. W. Porter, P. P. Han, D. G. Karahalios, R. Masferrer, V. K. H. Sonntag).