Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Cerebral Vasoconstriction and Stroke After Use of Serotonergic Drugs
Neurol 58:130-133, Singhal,A.B.,et al, 2002
Migraine
NEJM 377:553-561, Charles, A., 2017
Acute and Preventive Pharmacologic Treatment of Cluster Headache
Neurol 75:463-473, Francis,G.J., et al, 2010
The Emergency Management of Headaches
The Neurologist 9:93-98, Green,M.W., 2003