1. Wilhelm Tönnis, appraisal on his 80th birthday

   • K. J. Zülch

   Preface Pages: 3 - 4

2. Developments in surgical treatment of pituitary adenomas

   • R. Fahlbusch
   • F. Marguth

   Originals Pages: 5 - 13

3. Microsurgical treatment of cerebral aneurysms

   • Hans Werner Pia

   Originals Pages: 15 - 24

4. The relationship between intracranial pressure, disturbances of brain function and prognosis

   • K. E. Richard
   • R. A. Frowein

   Originals Pages: 25 - 36

5. Aspects of modern brain abscess diagnosis and treatment

   • W. Schiefer
   • M. Klinger

   Originals Pages: 37 - 45

6. From anterior to lateral operations on the cervical spine

   • Henk Verbiest

   Originals Pages: 47 - 67

7. Hemispherectomy — 25 years later — findings and concepts

   • Klaus-Joachim Zülch
   • Edith Micheler

   Originals Pages: 69 - 78

8. Joint meeting munich '78

   Announcements Pages: 79 - 80