Benign Sexual Headach within a Family
Arch Neurol 43:1158-1160, Johns,D.R., 1986
Cardiac Cephalgia:A Treatable Form of Exertional Headache
Neurol 49:813-816, Lipton,R.B.,et al, 1997
Coronary Vasospasm Induced by Subcutaneous Sumatriptan
BMJ 304:1415, Willett,F.,et al, 1992