1. Validation of the prognostic accuracy of neurosurgical admission scales after rupture of cerebral aneurysms;Aulmann;Zentralblatt fur Neurochirurgie,1998
2. Report of World Federation of Neurological Surgeons Committee on a universal subarachnoid haemorrhae grading scale;Drake;Journal of Neurosurgery,1988
3. The clinical grading of subarachnoid hemorrhage;Ducati;Minerva Anestesiologica,1998
4. Clinical grading and outcome after early surgery in aneurysmal subarachnoid hemorrhage;Hirai;Neurosurgery,1996
5. Aspects of coma after severe head injury;Jennett;Lancet,1977