1. Report on the Co-operative Study of Intracranial Aneurysm;Locksley, H.B.;J Neurosurg; Natural history of subarachnoid haemorrhage, intracranial aneurysms and arteriovenous malformations,1966
2. The time-course of blood-induced spasm of cerebral arteries in baboons;Symon, L.; Du Boulay, G.; Ackerman, R.H.; Dorsch, N.W.C.; Shah, S.H.;Neuroradiology,1973
3. Fodstad intracranial aneurysms. Part 1. Time of the appearance;Surg Neurol,1979
4. Surgical risk as related to time of intervention in the repair of intracranial aneurysms;Drake, C.G.; in Hunt, W.E.; Hess, R.M.;J Neurosurg,1968
5. Timing and indication of surgery for ruptured intracranial aneurysms with regard to cerebral vasospasm;Sano, K.; Saito, I.;Acta Neurochir (Wien),1978