Factors associated to the presence of headache in patients with influenza infection and its consequences: a 2010–2020 surveillance-based study. - García-Azorín, David; Santana-López, Laura; Lozano-Alonso, José Eugenio; Ordax-Díez, Ana; Vega-Alonso, Tomas; Macias Saint-Gerons, Diego; González-Osorio, Yésica; Rojo-Rello, Silvia; Eiros, José M.; Sánchez-Martínez, Javier; Sierra-Mencía, Álvaro; Recio-García, Andrea; et al. (Journal of Headache & Pain, 2024)