TY - JOUR AU - Irimia, Pablo AU - Palma, Jose-Alberto AU - Fernandez-Torron, Roberto AU - Martinez-Vila, Eduardo PY - 2011 DA - 2011/08/01 TI - Refractory migraine in a headache clinic population JO - BMC Neurology SP - 94 VL - 11 IS - 1 AB - Many migraineurs who seek care in headache clinics are refractory to treatment, despite advances in headache therapies. Epidemiology is poorly characterized, because diagnostic criteria for refractory migraine were not available until recently. We aimed to determine the frequency of refractory migraine in patients attended in the Headache Unit in a tertiary care center, according to recently proposed criteria. SN - 1471-2377 UR - https://doi.org/10.1186/1471-2377-11-94 DO - 10.1186/1471-2377-11-94 ID - Irimia2011 ER -