Perception of the validity of the Migraine Disability Assessment questionnaire in a population of patients with chronic migraine V. Medrano Martínez; I. Francés Pont; L. Hernández Rubio; L. González Fernández; S. Fernández Izquierdo; J. Mallada Frechin;

Headache as main reason for consultation to a hospital Emergency Department in Spain: a prospective study A. Fierro; G. Pérez-Rojí; A. Blanco; P. López; M. Andrés; V. González-Quintanilla; S. Pérez-Pereda; N. Fontanillas; J. Pascual;

Visual snow syndrome and its relationship with migraine O. Barrachina-Esteve; I. Hidalgo-Torrico; C. Acero; S. Aranceta; D. Cánovas-Vergé; G. Ribera;