Comment on: Martelletti et al. Refractory chronic migraine: a consensus statement on clinical definition from the European Headache Federation
Crossref DOI link: https://doi.org/10.1186/1129-2377-15-77
Published Online: 2014-11-24
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wöber, Christian
Wessely, Peter
License valid from 2014-11-24