Cephalalgia. 2008 Nov;28(11):1221-2. doi: 10.1111/j.1468-2982.2008.01734.x.
Cephalalgia : an international journal of headache
Z Katsarava, H-C Diener
PMID: 18983590 DOI: 10.1111/j.1468-2982.2008.01734.x
[No abstract available.]