1. Studies without internal controls;Bailar;N Engl J Med,1984
2. Case of cerebral tumor;Bennet,1885
3. Case of cerebral tumor;Bennet,1965
4. Intracranial aneurysm of the internal carotid artery cured by operation;Dandy,1938
5. Intracranial aneurysm of the internal carotid artery cured by operation;Dandy,1965