The Emergency Management of Headaches
The Neurologist 9:93-98, Green,M.W., 2003
Cluster Headache
Neurol 42 (Suppl 2) :22-31992., Mathew,N.T., 1992
Sodium Valproate in the Treatment of Cluster Headache:An Open Clinical Trial
Cephalalgia 9:195-198, Herling,R.&Kuritzky,A., 1989
Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Intravenous Dihydroergotamine for Inpatient Management of Refractory Primary Headaches
Neurol 77:1827-1832, Nagy, A.J.,et al, 2011
Cluster Headache, Local Anesthetic Abortive Agents
Arch Neurol 42:496-498, Kittrelle,J.P.,et al, 1985