National Institute of Neurological Disorders and Stroke | Cluster headache: Epidemiology, clinical features, and diagnosis |
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Evaluation of headache in adults | Cluster headache: Treatment and prognosis |
Headache Classification Committee of the International Headache Society IHS | National Institute of Neurological Disorders and Stroke |
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Cluster headache and other TACs: Pathophysiology and neurostimulation options | : The McGraw-Hill Companies; 2015 |