Subarachnoid HaemorrhageLancet 369:306-318, van Gijn,J.,et al, 2007
Thunderclap HeadacheJNNP 72:6-11, Dodick,D.W., 2002
The Clinical Spectrum of Unruptured Intracranial AneurysmsArch Neurol 50:265-268, Raps,E.C.,et al, 1993