Open Access Published: July 2000 On the web The Journal of Headache and Pain volume 1, page61(2000)Cite this article 326 Accesses Metrics details AuthorsSearch for in:PubMed • Google Scholar Rights and permissionsReprints and PermissionsAbout this articleCite this article, . On the web. J Headache Pain 1, 61 (2000). https://doi.org/10.1007/s101940050014Download citationIssue Date: July 2000DOI: https://doi.org/10.1007/s101940050014 Comments By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate. Please note that comments may be removed without notice if they are flagged by another user or do not comply with our community guidelines.