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Showing articles 0 to 2 of 2 Filter Applied: pain,severe (Click to remove) Cluster Headache BMJ 344:e2407, Nesbitt,A.D.,et al, 2012 Investigating Severe Interscapular Pain BMJ 337:a688, Haydar, A.A.,et al, 2008 Showing articles 0 to 2 of 2