[quote]Cephalalgia. 2013 May;33(7):498.
[b]Response to Halpern's letter to the editor.[/b]
May A.
Comment on
Reply to: 'illicit drugs and cluster headache: an inevitable discussion'. [Cephalalgia. 2013]
Reply to: 'illicit drugs and cluster headache: an inevitable discussion'.Halpern JH. Cephalalgia. 2013 May; 33(7):496-7. Epub 2013 Mar 8.
Illicit drugs and cluster headache: an inevitable discussion. [Cephalalgia. 2012]
Illicit drugs and cluster headache: an inevitable discussion.May A. Cephalalgia. 2012 Oct; 32(14):1021-2.
No text but extract can be found here:
http://cep.sagepub.com/content/33/7/498.extract
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