Depressive Symptoms Correlate with Disability and Disease Course in Multiple Sclerosis Patients: An Italian Multi-Center Study Using the Beck Depression Inventory. oleh C Solaro, E Trabucco, A Signori, V Martinelli, M Radaelli, D Centonze, S Rossi, M G Grasso, A Clemenzi, S Bonavita, A D'Ambrosio, F Patti, E D'Amico, G Cruccu, A Truini