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Showing articles 0 to 2 of 2 Filter Applied: precipitating factors (Click to remove) Cluster Headache BMJ 344:e2407, Nesbitt,A.D.,et al, 2012 Seizures on Hearing the Alarm Clock Lancet 370:2172, Vollmar,C.,et al, 2007 Showing articles 0 to 2 of 2