A Constitutive Model for the Annulus of Human Intervertebral Disc: Implications for Developing a Degeneration Model and Its Influence on Lumbar Spine Functioning. - José Cegoñino; Vincenzo Moramarco; Andrea Calvo-Echenique; Carmine Pappalettere; Amaya Pérez del Palomar (J. Appl. Math., 2014)