Headache Characteristics in Subarachnoid Haemorrhage and Benign Thunderclap headache
JNNP 65:791-793, Linn,F.H.H.,et al, 1998
Cough, Exertional, and Sexual Headaches:An Analysis of 72 Benign and Symptomatic Cases
Neurol 46:1520-1524, Pascual,J.,et al, 1996
Stroke, A Clinical Approach
Butterworth Publ, Boston, P. 1186., Caplan,L.R.&Stein,R.W., 1986