1. Recommendations for CSF analysis in subarachnoid haemorrhage;Beetham, R.;Journal of Neurology, Neurosurgery and Psychiatry,2004
2. What is the role of CSF spectrophotometry in the diagnosis of subarachnoid haemorrhage?;Beetham, R.; MN, Fahie-Wilson; Park, D.;Annals of Clinical Biochemistry,1998
3. Blood-stained cerebrospinal fluid: traumatic puncture or haemorrhage?;Buruma, O.J.S.; Janson, H.L.; FA, Den Bergh; Bots, G.T.A.M.;Journal of Neurology, Neurosurgery and Psychiatry,1981
4. Thunderclap headache as first symptom of cerebral venous sinus thrombosis;SFTM, De Bruijn; J, Stam; LJ, Kappelle;Lancet,1996
5. Prospective study of sentinel headache in aneurysmal subarachnoid haemorrhage;Linn, F.H.H.; Wijdicks, E.F.M.; van der Graaf, Y.; Weerdesteyn-van Vliet, F.A.; AI, Bartelds; van Gijn, J.;Lancet,1994