I. Basic Problems of Cerebral Ischemia.- 1. Comments on the History of External-Internal Anastomosis for Cerebral Ischemia.- 2. Experimental Ischemia of the Brain.- 3. Thresholds of Cerebral Ischemia.- 4. Focal Flow and Neuronal Activity in Experimental Cerebral Ischemia.- 5. Cerebral Changes During Recirculation following Temporary Ischemia in Mongolian Gerbils, with Special Reference to Blood-Brain-Barrier Change.- 6. Simulated Transient Ischemic Attacks in Cat and Man.- 7. Experimental and Clinical Use of Barbiturates in Focal Cerebral Ischemia.- 8. Combined Use of Regional Cerebral Blood Flow Measurement and Computerized Tomography for the Diagnosis of Cerebral Ischemia.- 9. Microvascular Bypass for Cerebral IschemiaAn Overview, 19661976.- II. Experimental.- 10. Experimental Middle Cerebral Artery Microsurgical Embolectomy.- 11. Cerebral Arterial Spasm: In Vitro Contractile Activity of Vasoactive Agents on Human Cortical and Temporal Arteries.- 12. Comparative Merits of Autogenous Arterial and Venous Bypass Grafts as Alternatives to Direct Arterial Anastomosis.- 13. Endothelial Changes after Vascular Surgery: A Scanning Electron Microscopic Study.- 14. Morphologic Changes after Vascular Microanastomoses as a Function of the Technique Used.- 15. Morphometric Approach to Fine Structural Changes in the Intima of the Common Carotid Artery of the Rat following Microsurgery.- 16. Scanning Electron Microscope Studies of Endothelial Injury in Microsurgical Anastomosis.- 17. Importance of the Histologic Structure of the Superficial Temporal Artery for the Function of Extra-Intracranial Bypass.- 18. Evaluation of 2-mm Arterial Grafts for Extra- to Intracranial Bypass in Occlusive Cerebrovascular Disease.- 19. Comparative Evaluation of Conventionally Sutured and Clot-Sutured Microsurgical Anastomoses.- 20. Spontaneous Cerebral Revascularization: An Experimental Study Supporting Microneurovascular Bypass Surgery.- 21. End-to-Side Anastomosis Between Carotid Arteries and Sls$