Triggers of Subarachnoid Hemorrhage
Stroke 34:1771-1776, Anderson,C.,et al, 2003
Physical Activity and Subarachnoid Haemorrhage: A Population Based Case-Control Study
JNNP 69:768-772, Fann,J.R.,et al, 2000
Stroke, A Clinical Approach
Butterworth Publ, Boston, P. 1186., Caplan,L.R.&Stein,R.W., 1986