Effect of treatment with methylprednisolone on the serum levels of IL-12, IL-10 and CCL2 chemokine in patients with multiple sclerosis in relapse - Rentzos, M; Nikolaou, C; Rombos, A; Evangelopoulos, M E; Kararizou, E; Koutsis, G; Zoga, M; Dimitrakopoulos, A; Tsoutsou, A; Sfangos, C (Clin Neurol Neurosurg, 2008)