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
Nimodipine for Treatment of Primary Thunderclap Headache
Neurol 62:1414-1416, Lu,S.-R.,et al, 2004
Calcium Channels & Calcium Channel Antagonists
Ann Neurol 21:317-330, Greenberg,D.A., 1987