Prognostic value of extreme NT-proBNP levels in patients hospitalized for heart failure - Yebra, Miguel Yebra; Rodriguez, Alejandro Saenz de Urturi; Garcia, Sergio Gonzalez; Garcia, Paula de Peralta; Martinez, Maria Asenjo; Camino, Jose Antonio Rueda; Martin, Raquel Barba (Medicina Clinica, 2025)