1. Editorial

   EditorialNotes Pages: 313 - 313

2. Fatal intramedular tumor of the cervical spinal cord during remission of acute lymphoblastic leukemia

   • Henrik Nielsen

   OriginalPaper Pages: 315 - 317

3. The intracerebral penetration of intraventricularly administered methotrexate: A quantitative autoradiographic study

   • Stuart A. Grossman
   • Carla S. Reinhard
   • Harry L. Loats

   OriginalPaper Pages: 319 - 328

4. The modulation of astrocytic differentiation in cells derived from a medulloblastoma surgical specimen

   • Bernard L. Maria
   • Peter A. Steck
   • Frederick F. Becker

   OriginalPaper Pages: 329 - 338

5. Glioblastoma multiforme of the cerebellum five decades after irradiation of a cerebellar tumor

   • Hugh S. Wisoff
   • Josefina F. Llena

   OriginalPaper Pages: 339 - 344

6. Major structural alterations of the c-sis gene are not observed in a series of tumors of the human central nervous system

   • Richard D. Press
   • Anita Misra
   • Timothy B. Mapstone

   OriginalPaper Pages: 345 - 356

7. Distribution of collagen Type IV in brain tumors: An immunohistochemical study

   • Katsuhiko Ogawa
   • Motoi Oguchi
   • Hirohiko Yamabe

   OriginalPaper Pages: 357 - 366

8. Favorable prognosis for brainstem gliomas in neurofibromatosis

   • Jerrold M. Milstein
   • J. Russell Geyer
   • W. Archie Bleyer

   OriginalPaper Pages: 367 - 371

9. Cell kinetic investigations in brain tumors studied by serial stereotactic biopsy

   • A. Franzini
   • S. Ferraresi
   • G. Broggi

   OriginalPaper Pages: 373 - 379

10. Announcement

    Announcement Pages: 381 - 381