In-Hospital Death and Risk Factors in Adults With Influenza in Spain (2016-2022): A Cross-Sectional Study With Focus on Older Patients. - Ramos-Rincon JM; Pinargote-Celorio H; Sanchez-Martinez R; Rodríguez-Diaz JC; Otero S; Valero-Sempere F; Torrús D; Valero-Novella B; Riera G; Boix V; Merino E (Health science reports, 2025)