Expert system against machine learning approaches as a virtual sensor for ventricular arrhythmia risk level estimation. - Sebastián García Galán; Alberto Rodríguez-Natal; Francisco Javier Maldonado Carrascosa; Nicolás Ruiz-Reyes; Malgorzata Szczerska; Pedro Vera-Candeas; Damián Martínez-Muñoz; Francisco J. Cañadas-Quesada; Alfonso Cruz-Lendinez (Biomed. Signal Process. Control., 2025)