A model-based spectral directional approach reveals the long-term impact of COVID-19 on cardiorespiratory control and baroreflex. - Cairo, Beatrice; Gelpi, Francesca; Bari, Vlasta; Anguissola, Martina; Singh, Pavandeep; De Maria, Beatrice; Ranucci, Marco; Porta, Alberto (BioMedical Engineering OnLine, 2025)