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;

Evidence of and experience with the use of onabotulinumtoxinA in trigeminal neuralgia and primary headaches other than chronic migraine S. Santos-Lasaosa; M.L. Cuadrado; A.B. Gago-Veiga; A.L. Guerrero-Peral; P. Irimia; J.M. Láinez; R. Leira; J. Pascual; J. Porta-Etessam; M. Sánchez del Río; J. Viguera Romero; P. Pozo-Rosich;

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