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| | NEJM -- Treatment of acute cluster headache with sumatriptan. The Sumatriptan Cluster Headache Study Group |
 | | Bahra, A., May, A., Goadsby, P. Cluster headache: A prospective clinical study with diagnostic implications. |
 | | Bernstein, W., Bahra, A., Gawel, M., Hardebo, J.-E., Millson, D., Goadsby, P. Oral zolmitriptan is effective in the acute treatment of cluster headache. |
 | | Bahra, A., Gawel, M. J., Hardebo, J.-E., Millson, D., Breen, S. A., Goadsby, P. Oral zolmitriptan is effective in the acute treatment of cluster headache. |
| content.nejm.org /cgi/content/short/325/5/322 (542 words) |
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