Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Acute and Preventive Pharmacologic Treatment of Cluster Headache
Neurol 75:463-473, Francis,G.J., et al, 2010
Carbon Monoxide Poisoning
NEJM 360:1217-1225, Weaver,L.K., 2009
Cluster Headache
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