Early Nirsevimab Administration During Hospitalization for RSV Bronchiolitis may Reduce Disease Severity in Non-immunized infants: A Descriptive Study - Méndez-Echevarria, A; Soler-Simon, JA; Carro, ES; Pérez, PF; Garcia, RJ; Lucas-Torres, BSR; Pérez, MT; Alcolea, S; Garcia-Garcia, ML; Baquero-Artigao, F; Calvo, C (Archivos De Bronconeumologia, 2025)